12655138524252 has 72 divisors (see below), whose sum is σ = 34351348436496. Its totient is φ = 3615576314112.

The previous prime is 12655138524211. The next prime is 12655138524271. The reversal of 12655138524252 is 25242583155621.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12655138524195 and 12655138524204.

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, 11696488 + ... + 12732560.

It is an arithmetic number, because the mean of its divisors is an integer number (477102061618).

Almost surely, 2^{12655138524252} is an apocalyptic number.

12655138524252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12655138524252 is an abundant number, since it is smaller than the sum of its proper divisors (21696209912244).

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

12655138524252 is a wasteful number, since it uses less digits than its factorization.

12655138524252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056867 (or 1056858 counting only the distinct ones).

The product of its digits is 5760000, while the sum is 51.

The spelling of 12655138524252 in words is "twelve trillion, six hundred fifty-five billion, one hundred thirty-eight million, five hundred twenty-four thousand, two hundred fifty-two".