12215165604 has 24 divisors (see below), whose sum is σ = 28504912128. Its totient is φ = 4071313440.

The previous prime is 12215165597. The next prime is 12215165639. The reversal of 12215165604 is 40656151221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88909 + ... + 179819.

It is an arithmetic number, because the mean of its divisors is an integer number (1187704672).

Almost surely, 2^12215165604 is an apocalyptic number.

It is an amenable number.

12215165604 is an abundant number, since it is smaller than the sum of its proper divisors (16289746524).

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

12215165604 is a wasteful number, since it uses less digits than its factorization.

12215165604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102115 (or 102113 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 12215165604 in words is "twelve billion, two hundred fifteen million, one hundred sixty-five thousand, six hundred four".