12257934020 has 24 divisors (see below), whose sum is σ = 26629306200. Its totient is φ = 4734098432.

The previous prime is 12257934011. The next prime is 12257934043. The reversal of 12257934020 is 2043975221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1987733056 + 10270200964 = 44584^2 + 101342^2 .

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, 10566605 + ... + 10567764.

It is an arithmetic number, because the mean of its divisors is an integer number (1109554425).

Almost surely, 2^12257934020 is an apocalyptic number.

12257934020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12257934020 is an abundant number, since it is smaller than the sum of its proper divisors (14371372180).

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

12257934020 is a wasteful number, since it uses less digits than its factorization.

12257934020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21134407 (or 21134405 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 12257934020 in words is "twelve billion, two hundred fifty-seven million, nine hundred thirty-four thousand, twenty".