12868573272 has 32 divisors (see below), whose sum is σ = 32261068800. Its totient is φ = 4277573024.

The previous prime is 12868573261. The next prime is 12868573297. The reversal of 12868573272 is 27237586821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738168 + ... + 755399.

It is an arithmetic number, because the mean of its divisors is an integer number (1008158400).

Almost surely, 2^12868573272 is an apocalyptic number.

12868573272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12868573272 is an abundant number, since it is smaller than the sum of its proper divisors (19392495528).

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

12868573272 is a wasteful number, since it uses less digits than its factorization.

12868573272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493935 (or 1493931 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The spelling of 12868573272 in words is "twelve billion, eight hundred sixty-eight million, five hundred seventy-three thousand, two hundred seventy-two".