If you mean the 12 Kalpas in Jain cosmology, their maximum life spans are commonly given as:

1. Saudharma–Eeshana — 2 sagaropams
2. Sanatkumara–Mahendra — 7 sagaropams
3. Brahma–Brahmottara — 10 sagaropams
4. Lantava–Kapishta — 14 sagaropams
5. Shukra–Mahashukra — 16 sagaropams
6. Satara–Sahasrara — 18 sagaropams
7. Anata–Pranata — 20 sagaropams
8. Arana–Achyuta — 22 sagaropams ( jainworld.jainworld.com)

After these, the higher celestial abodes have still greater maximum lifespans: 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, and 33 sagaropams, ending at Sarvarthasiddhi = 33 sagaropams. ( jainworld.jainworld.com)

If you want, I can also give this in a clean table with the 12 devloks in order.