https://www.humanreligions.info/tags/72.html
Human Truth Foundation pages (2):
Jainism: 4.4. The Tirthankaras and the Solar Mythology of the Number 12
The Divine Number 12: 12 Gods, 12 Disciples, 12 Tribes and the Zodiac: 4. Jainism of the 5thC BCE: A Mythology full of 12s, 24 and 72