12927973692 has 24 divisors (see below), whose sum is σ = 31752918400. Its totient is φ = 4082517936.

The previous prime is 12927973657. The next prime is 12927973757. The reversal of 12927973692 is 29637972921.

It is a super-2 number, since 2×12927973692² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

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, 28350592 + ... + 28351047.

Almost surely, 2^12927973692 is an apocalyptic number.

12927973692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12927973692 is an abundant number, since it is smaller than the sum of its proper divisors (18824944708).

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

12927973692 is a wasteful number, since it uses less digits than its factorization.

12927973692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56701665 (or 56701663 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 57.

The spelling of 12927973692 in words is "twelve billion, nine hundred twenty-seven million, nine hundred seventy-three thousand, six hundred ninety-two".