12775692920 has 16 divisors (see below), whose sum is σ = 28745309160. Its totient is φ = 5110277152.

The previous prime is 12775692911. The next prime is 12775692997. The reversal of 12775692920 is 2929657721.

It is a super-2 number, since 2×12775692920² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159696122 + ... + 159696201.

Almost surely, 2^12775692920 is an apocalyptic number.

12775692920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12775692920 is an abundant number, since it is smaller than the sum of its proper divisors (15969616240).

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

12775692920 is a wasteful number, since it uses less digits than its factorization.

12775692920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319392334 (or 319392330 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 12775692920 in words is "twelve billion, seven hundred seventy-five million, six hundred ninety-two thousand, nine hundred twenty".