12870788520 has 64 divisors (see below), whose sum is σ = 38622769920. Its totient is φ = 3431285504.

The previous prime is 12870788341. The next prime is 12870788533. The reversal of 12870788520 is 2588707821.

It is a self number, because there is not a number n which added to its sum of digits gives 12870788520.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512497 + ... + 537023.

It is an arithmetic number, because the mean of its divisors is an integer number (603480780).

Almost surely, 2^12870788520 is an apocalyptic number.

12870788520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12870788520 is an abundant number, since it is smaller than the sum of its proper divisors (25751981400).

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

12870788520 is a wasteful number, since it uses less digits than its factorization.

12870788520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28914 (or 28910 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 48.

The spelling of 12870788520 in words is "twelve billion, eight hundred seventy million, seven hundred eighty-eight thousand, five hundred twenty".