12318291180 has 144 divisors (see below), whose sum is σ = 40631223360. Its totient is φ = 3002697216.

The previous prime is 12318291163. The next prime is 12318291233. The reversal of 12318291180 is 8119281321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 215466 + ... + 266574.

Almost surely, 2^12318291180 is an apocalyptic number.

12318291180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12318291180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20315611680).

12318291180 is an abundant number, since it is smaller than the sum of its proper divisors (28312932180).

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

12318291180 is a wasteful number, since it uses less digits than its factorization.

12318291180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51240 (or 51235 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The spelling of 12318291180 in words is "twelve billion, three hundred eighteen million, two hundred ninety-one thousand, one hundred eighty".