12512647135152 has 80 divisors (see below), whose sum is σ = 35916947200000. Its totient is φ = 4170764437056.

The previous prime is 12512647135139. The next prime is 12512647135171. The reversal of 12512647135152 is 25153174621521.

12512647135152 is a `hidden beast` number, since 1 + 2 + 5 + 1 + 2 + 64 + 71 + 3 + 515 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12512647135098 and 12512647135107.

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, 15609849 + ... + 16391847.

It is an arithmetic number, because the mean of its divisors is an integer number (448961840000).

Almost surely, 2^{12512647135152} is an apocalyptic number.

12512647135152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12512647135152 is an abundant number, since it is smaller than the sum of its proper divisors (23404300064848).

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

12512647135152 is a wasteful number, since it uses less digits than its factorization.

12512647135152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819055 (or 819043 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The spelling of 12512647135152 in words is "twelve trillion, five hundred twelve billion, six hundred forty-seven million, one hundred thirty-five thousand, one hundred fifty-two".