12912718696 has 32 divisors (see below), whose sum is σ = 26750139840. Its totient is φ = 5812373248.

The previous prime is 12912718657. The next prime is 12912718697. The reversal of 12912718696 is 69681721921.

It is not an unprimeable number, because it can be changed into a prime (12912718697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2060926 + ... + 2067181.

It is an arithmetic number, because the mean of its divisors is an integer number (835941870).

Almost surely, 2^12912718696 is an apocalyptic number.

It is an amenable number.

12912718696 is an abundant number, since it is smaller than the sum of its proper divisors (13837421144).

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

12912718696 is a wasteful number, since it uses less digits than its factorization.

12912718696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128153 (or 4128149 counting only the distinct ones).

The product of its digits is 653184, while the sum is 52.

The spelling of 12912718696 in words is "twelve billion, nine hundred twelve million, seven hundred eighteen thousand, six hundred ninety-six".