12312542012 has 12 divisors (see below), whose sum is σ = 21585224136. Its totient is φ = 6145335120.

The previous prime is 12312541993. The next prime is 12312542083. The reversal of 12312542012 is 21024521321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2731439 + ... + 2735942.

It is an arithmetic number, because the mean of its divisors is an integer number (1798768678).

Almost surely, 2^12312542012 is an apocalyptic number.

It is an amenable number.

12312542012 is a deficient number, since it is larger than the sum of its proper divisors (9272682124).

12312542012 is a wasteful number, since it uses less digits than its factorization.

12312542012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5467948 (or 5467946 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The spelling of 12312542012 in words is "twelve billion, three hundred twelve million, five hundred forty-two thousand, twelve".