12318916959 has 12 divisors (see below), whose sum is σ = 17798617200. Its totient is φ = 8210476224.

The previous prime is 12318916921. The next prime is 12318916993. The reversal of 12318916959 is 95961981321.

It is not a de Polignac number, because 12318916959 - 2²⁷ = 12184699231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12318116959) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 140979 + ... + 210980.

It is an arithmetic number, because the mean of its divisors is an integer number (1483218100).

Almost surely, 2^12318916959 is an apocalyptic number.

12318916959 is a deficient number, since it is larger than the sum of its proper divisors (5479700241).

12318916959 is a wasteful number, since it uses less digits than its factorization.

12318916959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355854 (or 355851 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 54.

The spelling of 12318916959 in words is "twelve billion, three hundred eighteen million, nine hundred sixteen thousand, nine hundred fifty-nine".