1312130012 has 12 divisors (see below), whose sum is σ = 2310854280. Its totient is φ = 651885936.

The previous prime is 1312129933. The next prime is 1312130033. The reversal of 1312130012 is 2100312131.

It is a super-2 number, since 2×1312130012² = 3443370336782240288, which contains 22 as substring.

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, 1044062 + ... + 1045317.

It is an arithmetic number, because the mean of its divisors is an integer number (192571190).

Almost surely, 2^1312130012 is an apocalyptic number.

It is an amenable number.

1312130012 is a deficient number, since it is larger than the sum of its proper divisors (998724268).

1312130012 is a wasteful number, since it uses less digits than its factorization.

1312130012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089540 (or 2089538 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1312130012 is about 36223.3351860372. The cubic root of 1312130012 is about 1094.7768946983.

Adding to 1312130012 its reverse (2100312131), we get a palindrome (3412442143).

The spelling of 1312130012 in words is "one billion, three hundred twelve million, one hundred thirty thousand, twelve".