12812926992 has 20 divisors (see below), whose sum is σ = 33100061520. Its totient is φ = 4270975648.

The previous prime is 12812926991. The next prime is 12812927041. The reversal of 12812926992 is 29962921821.

It is not an unprimeable number, because it can be changed into a prime (12812926991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133467942 + ... + 133468037.

It is an arithmetic number, because the mean of its divisors is an integer number (1655003076).

Almost surely, 2^12812926992 is an apocalyptic number.

12812926992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12812926992 is an abundant number, since it is smaller than the sum of its proper divisors (20287134528).

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

12812926992 is a wasteful number, since it uses less digits than its factorization.

12812926992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266935990 (or 266935984 counting only the distinct ones).

The product of its digits is 559872, while the sum is 51.

The spelling of 12812926992 in words is "twelve billion, eight hundred twelve million, nine hundred twenty-six thousand, nine hundred ninety-two".