12717222900 has 72 divisors (see below), whose sum is σ = 36998611104. Its totient is φ = 3372508800.

The previous prime is 12717222887. The next prime is 12717222911. The reversal of 12717222900 is 922271721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62802 + ... + 171401.

Almost surely, 2^12717222900 is an apocalyptic number.

12717222900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12717222900 is an abundant number, since it is smaller than the sum of its proper divisors (24281388204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12717222900 is a wasteful number, since it uses less digits than its factorization.

12717222900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234401 (or 234394 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The spelling of 12717222900 in words is "twelve billion, seven hundred seventeen million, two hundred twenty-two thousand, nine hundred".