1312325210520 has 96 divisors (see below), whose sum is σ = 4265266468320. Its totient is φ = 349936197120.

The previous prime is 1312325210519. The next prime is 1312325210531. The reversal of 1312325210520 is 250125232131.

1312325210520 is a `hidden beast` number, since 1 + 3 + 123 + 2 + 5 + 2 + 10 + 520 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8352285 + ... + 8507955.

It is an arithmetic number, because the mean of its divisors is an integer number (44429859045).

Almost surely, 2^{1312325210520} is an apocalyptic number.

1312325210520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312325210520 is an abundant number, since it is smaller than the sum of its proper divisors (2952941257800).

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

1312325210520 is a wasteful number, since it uses less digits than its factorization.

1312325210520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179105 (or 179098 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 1312325210520 in words is "one trillion, three hundred twelve billion, three hundred twenty-five million, two hundred ten thousand, five hundred twenty".