1312103012 has 12 divisors (see below), whose sum is σ = 2504924016. Its totient is φ = 596410440.

The previous prime is 1312102921. The next prime is 1312103017. The reversal of 1312103012 is 2103012131.

It is a super-2 number, since 2×1312103012² = 3443228628198944288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312103017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14910218 + ... + 14910305.

It is an arithmetic number, because the mean of its divisors is an integer number (208743668).

Almost surely, 2^1312103012 is an apocalyptic number.

It is an amenable number.

1312103012 is a deficient number, since it is larger than the sum of its proper divisors (1192821004).

1312103012 is a wasteful number, since it uses less digits than its factorization.

1312103012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29820538 (or 29820536 counting only the distinct ones).

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

The square root of 1312103012 is about 36222.9624961847. The cubic root of 1312103012 is about 1094.7693854885.

Adding to 1312103012 its reverse (2103012131), we get a palindrome (3415115143).

It can be divided in two parts, 131 and 2103012, that multiplied together give a palindrome (275494572).

The spelling of 1312103012 in words is "one billion, three hundred twelve million, one hundred three thousand, twelve".