1312112992 has 24 divisors (see below), whose sum is σ = 2621782296. Its totient is φ = 646263552.

The previous prime is 1312112969. The next prime is 1312113007. The reversal of 1312112992 is 2992112131.

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, 303853 + ... + 308140.

It is an arithmetic number, because the mean of its divisors is an integer number (109240929).

Almost surely, 2^1312112992 is an apocalyptic number.

It is an amenable number.

1312112992 is a deficient number, since it is larger than the sum of its proper divisors (1309669304).

1312112992 is an equidigital number, since it uses as much as digits as its factorization.

1312112992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612070 (or 612062 counting only the distinct ones).

The product of its digits is 1944, while the sum is 31.

The square root of 1312112992 is about 36223.1002538435. The cubic root of 1312112992 is about 1094.7721611269.

The spelling of 1312112992 in words is "one billion, three hundred twelve million, one hundred twelve thousand, nine hundred ninety-two".