12313042012 has 12 divisors (see below), whose sum is σ = 21549251416. Its totient is φ = 6156113040.

The previous prime is 12313042009. The next prime is 12313042031. The reversal of 12313042012 is 21024031321.

It is a happy number.

It is a super-2 number, since 2×12313042012² (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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28143 + ... + 159430.

Almost surely, 2^12313042012 is an apocalyptic number.

It is an amenable number.

12313042012 is a deficient number, since it is larger than the sum of its proper divisors (9236209404).

12313042012 is a wasteful number, since it uses less digits than its factorization.

12313042012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203988 (or 203986 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12313042012 its reverse (21024031321), we get a palindrome (33337073333).

The spelling of 12313042012 in words is "twelve billion, three hundred thirteen million, forty-two thousand, twelve".