1312375622345 has 32 divisors (see below), whose sum is σ = 1705395824640. Its totient is φ = 967180032000.

The previous prime is 1312375622309. The next prime is 1312375622353. The reversal of 1312375622345 is 5432265732131.

It is a happy number.

It is not a de Polignac number, because 1312375622345 - 2²² = 1312371428041 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1312375622296 and 1312375622305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1736936 + ... + 2375225.

It is an arithmetic number, because the mean of its divisors is an integer number (53293619520).

Almost surely, 2^{1312375622345} is an apocalyptic number.

It is an amenable number.

1312375622345 is a deficient number, since it is larger than the sum of its proper divisors (393020202295).

1312375622345 is a wasteful number, since it uses less digits than its factorization.

1312375622345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4112297.

The product of its digits is 907200, while the sum is 44.

The spelling of 1312375622345 in words is "one trillion, three hundred twelve billion, three hundred seventy-five million, six hundred twenty-two thousand, three hundred forty-five".