12431557378260 has 72 divisors (see below), whose sum is σ = 37722569853696. Its totient is φ = 3313894057920.

The previous prime is 12431557378249. The next prime is 12431557378283. The reversal of 12431557378260 is 6287375513421.

12431557378260 is a `hidden beast` number, since 1 + 2 + 4 + 3 + 1 + 5 + 5 + 7 + 378 + 260 = 666.

12431557378260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12431557378197 and 12431557378206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11870284 + ... + 12875043.

Almost surely, 2^{12431557378260} is an apocalyptic number.

12431557378260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12431557378260 is an abundant number, since it is smaller than the sum of its proper divisors (25291012475436).

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

12431557378260 is a wasteful number, since it uses less digits than its factorization.

12431557378260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24748133 (or 24748128 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 12431557378260 in words is "twelve trillion, four hundred thirty-one billion, five hundred fifty-seven million, three hundred seventy-eight thousand, two hundred sixty".