12179915118 has 24 divisors (see below), whose sum is σ = 30159790128. Its totient is φ = 3479975712.

The previous prime is 12179915113. The next prime is 12179915161. The reversal of 12179915118 is 81151997121.

12179915118 is a `hidden beast` number, since 121 + 7 + 9 + 9 + 1 + 511 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12179915113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48332871 + ... + 48333122.

It is an arithmetic number, because the mean of its divisors is an integer number (1256657922).

Almost surely, 2^12179915118 is an apocalyptic number.

12179915118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12179915118 is an abundant number, since it is smaller than the sum of its proper divisors (17979875010).

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

12179915118 is a wasteful number, since it uses less digits than its factorization.

12179915118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96666008 (or 96666005 counting only the distinct ones).

The product of its digits is 45360, while the sum is 45.

The spelling of 12179915118 in words is "twelve billion, one hundred seventy-nine million, nine hundred fifteen thousand, one hundred eighteen".