1312310544564 has 12 divisors (see below), whose sum is σ = 3062057937344. Its totient is φ = 437436848184.

The previous prime is 1312310544527. The next prime is 1312310544607. The reversal of 1312310544564 is 4654450132131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54679606012 + ... + 54679606035.

Almost surely, 2^{1312310544564} is an apocalyptic number.

It is an amenable number.

1312310544564 is an abundant number, since it is smaller than the sum of its proper divisors (1749747392780).

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

1312310544564 is a wasteful number, since it uses less digits than its factorization.

1312310544564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109359212054 (or 109359212052 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 1312310544564 its reverse (4654450132131), we get a palindrome (5966760676695).

The spelling of 1312310544564 in words is "one trillion, three hundred twelve billion, three hundred ten million, five hundred forty-four thousand, five hundred sixty-four".