12312013002 has 16 divisors (see below), whose sum is σ = 24625114752. Its totient is φ = 4103822880.

The previous prime is 12312012941. The next prime is 12312013009. The reversal of 12312013002 is 20031021321.

It is a super-2 number, since 2×12312013002² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12312013009) 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 7 ways as a sum of consecutive naturals, for example, 233727 + ... + 281517.

It is an arithmetic number, because the mean of its divisors is an integer number (1539069672).

Almost surely, 2^12312013002 is an apocalyptic number.

12312013002 is an abundant number, since it is smaller than the sum of its proper divisors (12313101750).

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

12312013002 is a wasteful number, since it uses less digits than its factorization.

12312013002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90733.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12312013002 its reverse (20031021321), we get a palindrome (32343034323).

The spelling of 12312013002 in words is "twelve billion, three hundred twelve million, thirteen thousand, two".