12424100521656 has 32 divisors (see below), whose sum is σ = 31064516501760. Its totient is φ = 4140798147552.

The previous prime is 12424100521619. The next prime is 12424100521687. The reversal of 12424100521656 is 65612500142421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35364880 + ... + 35714463.

It is an arithmetic number, because the mean of its divisors is an integer number (970766140680).

Almost surely, 2^{12424100521656} is an apocalyptic number.

It is an amenable number.

12424100521656 is an abundant number, since it is smaller than the sum of its proper divisors (18640415980104).

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

12424100521656 is a wasteful number, since it uses less digits than its factorization.

12424100521656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71086635 (or 71086631 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 12424100521656 in words is "twelve trillion, four hundred twenty-four billion, one hundred million, five hundred twenty-one thousand, six hundred fifty-six".