1312331233112 has 16 divisors (see below), whose sum is σ = 2460972634200. Its totient is φ = 656071864000.

The previous prime is 1312331233093. The next prime is 1312331233133. The reversal of 1312331233112 is 2113321332131.

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, 11659562 + ... + 11771577.

Almost surely, 2^{1312331233112} is an apocalyptic number.

It is an amenable number.

1312331233112 is a deficient number, since it is larger than the sum of its proper divisors (1148641401088).

1312331233112 is a wasteful number, since it uses less digits than its factorization.

1312331233112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23438146 (or 23438142 counting only the distinct ones).

The product of its digits is 1944, while the sum is 26.

Adding to 1312331233112 its reverse (2113321332131), we get a palindrome (3425652565243).

The spelling of 1312331233112 in words is "one trillion, three hundred twelve billion, three hundred thirty-one million, two hundred thirty-three thousand, one hundred twelve".