1312304504524 has 48 divisors (see below), whose sum is σ = 2591989283520. Its totient is φ = 576815120640.

The previous prime is 1312304504513. The next prime is 1312304504551. The reversal of 1312304504524 is 4254054032131.

It is a super-2 number, since 2×1312304504524² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1312304504524.

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, 2121847 + ... + 2669614.

It is an arithmetic number, because the mean of its divisors is an integer number (53999776740).

Almost surely, 2^{1312304504524} is an apocalyptic number.

It is an amenable number.

1312304504524 is a deficient number, since it is larger than the sum of its proper divisors (1279684778996).

1312304504524 is a wasteful number, since it uses less digits than its factorization.

1312304504524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791730 (or 4791728 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 1312304504524 its reverse (4254054032131), we get a palindrome (5566358536655).

The spelling of 1312304504524 in words is "one trillion, three hundred twelve billion, three hundred four million, five hundred four thousand, five hundred twenty-four".