1312232000312 has 16 divisors (see below), whose sum is σ = 2460552573840. Its totient is φ = 656084647296.

The previous prime is 1312232000291. The next prime is 1312232000329. The reversal of 1312232000312 is 2130002322131.

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, 3740753 + ... + 4076480.

It is an arithmetic number, because the mean of its divisors is an integer number (153784535865).

Almost surely, 2^{1312232000312} is an apocalyptic number.

It is an amenable number.

1312232000312 is a deficient number, since it is larger than the sum of its proper divisors (1148320573528).

1312232000312 is a wasteful number, since it uses less digits than its factorization.

1312232000312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7838222 (or 7838218 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1312232000312 its reverse (2130002322131), we get a palindrome (3442234322443).

The spelling of 1312232000312 in words is "one trillion, three hundred twelve billion, two hundred thirty-two million, three hundred twelve", and thus it is an aban number.