12712235620 has 72 divisors (see below), whose sum is σ = 31517833536. Its totient is φ = 4293406656.

The previous prime is 12712235611. The next prime is 12712235651. The reversal of 12712235620 is 2653221721.

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, 31144 + ... + 162463.

It is an arithmetic number, because the mean of its divisors is an integer number (437747688).

Almost surely, 2^12712235620 is an apocalyptic number.

12712235620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12712235620 is an abundant number, since it is smaller than the sum of its proper divisors (18805597916).

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

12712235620 is a wasteful number, since it uses less digits than its factorization.

12712235620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193697 (or 193688 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 12712235620 in words is "twelve billion, seven hundred twelve million, two hundred thirty-five thousand, six hundred twenty".