12318834912 has 24 divisors (see below), whose sum is σ = 32336941896. Its totient is φ = 4106278272.

The previous prime is 12318834883. The next prime is 12318834923. The reversal of 12318834912 is 21943881321.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×12318834912² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 64160503 + ... + 64160694.

It is an arithmetic number, because the mean of its divisors is an integer number (1347372579).

Almost surely, 2^12318834912 is an apocalyptic number.

12318834912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12318834912 is an abundant number, since it is smaller than the sum of its proper divisors (20018106984).

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

12318834912 is a wasteful number, since it uses less digits than its factorization.

12318834912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128321210 (or 128321202 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The spelling of 12318834912 in words is "twelve billion, three hundred eighteen million, eight hundred thirty-four thousand, nine hundred twelve".