12530311504 has 20 divisors (see below), whose sum is σ = 24317892340. Its totient is φ = 6254726400.

The previous prime is 12530311481. The next prime is 12530311511. The reversal of 12530311504 is 40511303521.

It is a happy number.

12530311504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8126661904 + 4403649600 = 90148^2 + 66360^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641919 + ... + 661150.

It is an arithmetic number, because the mean of its divisors is an integer number (1215894617).

Almost surely, 2^12530311504 is an apocalyptic number.

It is an amenable number.

12530311504 is a deficient number, since it is larger than the sum of its proper divisors (11787580836).

12530311504 is a wasteful number, since it uses less digits than its factorization.

12530311504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303678 (or 1303672 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 12530311504 in words is "twelve billion, five hundred thirty million, three hundred eleven thousand, five hundred four".