1312922038780 has 48 divisors (see below), whose sum is σ = 3041580417120. Its totient is φ = 472061849600.

The previous prime is 1312922038777. The next prime is 1312922038783. The reversal of 1312922038780 is 878302292131.

It is an interprime number because it is at equal distance from previous prime (1312922038777) and next prime (1312922038783).

It is a self number, because there is not a number n which added to its sum of digits gives 1312922038780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312922038783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33507541 + ... + 33546700.

It is an arithmetic number, because the mean of its divisors is an integer number (63366258690).

Almost surely, 2^{1312922038780} is an apocalyptic number.

1312922038780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312922038780 is an abundant number, since it is smaller than the sum of its proper divisors (1728658378340).

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

1312922038780 is a wasteful number, since it uses less digits than its factorization.

1312922038780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67054350 (or 67054348 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 1312922038780 in words is "one trillion, three hundred twelve billion, nine hundred twenty-two million, thirty-eight thousand, seven hundred eighty".