1312938823936 has 72 divisors (see below), whose sum is σ = 2658089548800. Its totient is φ = 647142113280.

The previous prime is 1312938823927. The next prime is 1312938823943. The reversal of 1312938823936 is 6393288392131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12912945 + ... + 13014223.

It is an arithmetic number, because the mean of its divisors is an integer number (36917910400).

Almost surely, 2^{1312938823936} is an apocalyptic number.

1312938823936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312938823936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1329044774400).

1312938823936 is an abundant number, since it is smaller than the sum of its proper divisors (1345150724864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312938823936 is an equidigital number, since it uses as much as digits as its factorization.

1312938823936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102015 (or 102001 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 58.

The spelling of 1312938823936 in words is "one trillion, three hundred twelve billion, nine hundred thirty-eight million, eight hundred twenty-three thousand, nine hundred thirty-six".