How many major deities were in the Greek pantheon?

12 deities, 12 apostilles, 12 zodiac signs, 12 months, hours, 12 labours of Hercules. lots of twelves.

Jeorne, that's exactly what came to mind when I first read the question.

Player #14993519. , I am just crazy about Greek Mythology! I got this one right, cause I study Greek Mythology!! its very interesting!!