12113857168 has 40 divisors (see below), whose sum is σ = 26828729280. Its totient is φ = 5190648960.

The previous prime is 12113857163. The next prime is 12113857193. The reversal of 12113857168 is 86175831121.

It is not an unprimeable number, because it can be changed into a prime (12113857163) by changing a digit.

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, 1040403 + ... + 1051981.

It is an arithmetic number, because the mean of its divisors is an integer number (670718232).

Almost surely, 2^12113857168 is an apocalyptic number.

It is an amenable number.

12113857168 is an abundant number, since it is smaller than the sum of its proper divisors (14714872112).

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

12113857168 is a wasteful number, since it uses less digits than its factorization.

12113857168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20935 (or 20929 counting only the distinct ones).

The product of its digits is 80640, while the sum is 43.

The spelling of 12113857168 in words is "twelve billion, one hundred thirteen million, eight hundred fifty-seven thousand, one hundred sixty-eight".