1312883887945 has 32 divisors (see below), whose sum is σ = 1867038462720. Its totient is φ = 867154740480.

The previous prime is 1312883887937. The next prime is 1312883887967. The reversal of 1312883887945 is 5497883882131.

It is not a de Polignac number, because 1312883887945 - 2³ = 1312883887937 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1108887 + ... + 1963516.

It is an arithmetic number, because the mean of its divisors is an integer number (58344951960).

Almost surely, 2^{1312883887945} is an apocalyptic number.

It is an amenable number.

1312883887945 is a deficient number, since it is larger than the sum of its proper divisors (554154574775).

1312883887945 is a wasteful number, since it uses less digits than its factorization.

1312883887945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072865.

The product of its digits is 92897280, while the sum is 67.

The spelling of 1312883887945 in words is "one trillion, three hundred twelve billion, eight hundred eighty-three million, eight hundred eighty-seven thousand, nine hundred forty-five".