The Samsung Galaxy S23 Ultra (12/1TB) is likely to be a high-end smartphone with top-of-the-line specifications. The "12/1TB" notation suggests it may come with 12 GB of RAM and a massive 1 terabyte (TB) of internal storage. Here's a general overview of features you might expect:

1. Display: A large, high-resolution Super AMOLED display, possibly with a high refresh rate for smooth interactions.

2. Camera System: A sophisticated camera setup with multiple lenses, including wide-angle, ultra-wide-angle, telephoto, and possibly macro lenses. Expect advanced camera features for photography and videography.

3. Performance: Powered by a powerful processor (possibly from the Exynos or Snapdragon series), ensuring smooth multitasking and handling of demanding applications.

4. Storage: With 1TB of internal storage, you'll have ample space for apps, games, photos, videos, and other data.

5. Battery: A sizable battery capacity with fast charging capabilities to keep your device powered throughout the day.

6. Operating System: Running on the latest version of Samsung's One UI, based on the Android operating system.

7. Connectivity: Support for 5G connectivity, ensuring fast data speeds when available.

8. Design: A premium build with high-quality materials and a modern design, possibly featuring water and dust resistance.

9. Additional Features: Expect additional features such as an in-display fingerprint sensor, facial recognition, wireless charging, and support for the S Pen stylus (if applicable).

Keep in mind that the actual specifications and features may vary based on the official release, and it's advisable to check the latest information from Samsung or reliable sources for the most accurate details about the Samsung Galaxy S23 Ultra.