12165404236 has 12 divisors (see below), whose sum is σ = 21742424928. Its totient is φ = 5953282832.

The previous prime is 12165404231. The next prime is 12165404249. The reversal of 12165404236 is 63240456121.

12165404236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12165404231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32354611 + ... + 32354986.

It is an arithmetic number, because the mean of its divisors is an integer number (1811868744).

Almost surely, 2^12165404236 is an apocalyptic number.

It is an amenable number.

12165404236 is a deficient number, since it is larger than the sum of its proper divisors (9577020692).

12165404236 is a wasteful number, since it uses less digits than its factorization.

12165404236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64709648 (or 64709646 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 12165404236 in words is "twelve billion, one hundred sixty-five million, four hundred four thousand, two hundred thirty-six".