1312532512344 has 64 divisors (see below), whose sum is σ = 3674631782400. Its totient is φ = 434065861152.

The previous prime is 1312532512327. The next prime is 1312532512381. The reversal of 1312532512344 is 4432152352131.

1312532512344 is a `hidden beast` number, since 1 + 3 + 12 + 53 + 251 + 2 + 344 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1312532512299 and 1312532512308.

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, 23895952 + ... + 23950815.

It is an arithmetic number, because the mean of its divisors is an integer number (57416121600).

Almost surely, 2^{1312532512344} is an apocalyptic number.

It is an amenable number.

1312532512344 is an abundant number, since it is smaller than the sum of its proper divisors (2362099270056).

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

1312532512344 is a wasteful number, since it uses less digits than its factorization.

1312532512344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47846909 (or 47846899 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 1312532512344 its reverse (4432152352131), we get a palindrome (5744684864475).

The spelling of 1312532512344 in words is "one trillion, three hundred twelve billion, five hundred thirty-two million, five hundred twelve thousand, three hundred forty-four".