1312447325240 has 64 divisors (see below), whose sum is σ = 3042529905600. Its totient is φ = 509286249472.

The previous prime is 1312447325237. The next prime is 1312447325261. The reversal of 1312447325240 is 425237442131.

It is a junction number, because it is equal to n+sod(n) for n = 1312447325194 and 1312447325203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3289292 + ... + 3666651.

It is an arithmetic number, because the mean of its divisors is an integer number (47539529775).

Almost surely, 2^{1312447325240} is an apocalyptic number.

1312447325240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312447325240 is an abundant number, since it is smaller than the sum of its proper divisors (1730082580360).

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

1312447325240 is a wasteful number, since it uses less digits than its factorization.

1312447325240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6956096 (or 6956092 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 1312447325240 in words is "one trillion, three hundred twelve billion, four hundred forty-seven million, three hundred twenty-five thousand, two hundred forty".