12861708120 has 96 divisors (see below), whose sum is σ = 43348752720. Its totient is φ = 3429786240.

The previous prime is 12861708109. The next prime is 12861708179. The reversal of 12861708120 is 2180716821.

12861708120 is a `hidden beast` number, since 1 + 28 + 617 + 0 + 8 + 12 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 651891 + ... + 671330.

Almost surely, 2^12861708120 is an apocalyptic number.

12861708120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12861708120 is an abundant number, since it is smaller than the sum of its proper divisors (30487044600).

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

12861708120 is a wasteful number, since it uses less digits than its factorization.

12861708120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323247 (or 1323231 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The spelling of 12861708120 in words is "twelve billion, eight hundred sixty-one million, seven hundred eight thousand, one hundred twenty".