12156325622 has 48 divisors (see below), whose sum is σ = 21809476800. Its totient is φ = 5064498432.

The previous prime is 12156325619. The next prime is 12156325651. The reversal of 12156325622 is 22652365121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 677438 + ... + 695150.

It is an arithmetic number, because the mean of its divisors is an integer number (454364100).

Almost surely, 2^12156325622 is an apocalyptic number.

12156325622 is a deficient number, since it is larger than the sum of its proper divisors (9653151178).

12156325622 is a wasteful number, since it uses less digits than its factorization.

12156325622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17925 (or 17918 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The spelling of 12156325622 in words is "twelve billion, one hundred fifty-six million, three hundred twenty-five thousand, six hundred twenty-two".