12352045178 has 12 divisors (see below), whose sum is σ = 20365562490. Its totient is φ = 5614565880.

The previous prime is 12352045171. The next prime is 12352045187. The reversal of 12352045178 is 87154025321.

It can be written as a sum of positive squares in only one way, i.e., 12326106529 + 25938649 = 111023^2 + 5093^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12352045171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25520513 + ... + 25520996.

Almost surely, 2^12352045178 is an apocalyptic number.

12352045178 is a deficient number, since it is larger than the sum of its proper divisors (8013517312).

12352045178 is a wasteful number, since it uses less digits than its factorization.

12352045178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51041533 (or 51041522 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 12352045178 in words is "twelve billion, three hundred fifty-two million, forty-five thousand, one hundred seventy-eight".