12313521424 has 10 divisors (see below), whose sum is σ = 23857447790. Its totient is φ = 6156760704.

The previous prime is 12313521419. The next prime is 12313521433. The reversal of 12313521424 is 42412531321.

It can be written as a sum of positive squares in only one way, i.e., 10561261824 + 1752259600 = 102768^2 + 41860^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12313521392 and 12313521401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384797529 + ... + 384797560.

It is an arithmetic number, because the mean of its divisors is an integer number (2385744779).

Almost surely, 2^12313521424 is an apocalyptic number.

It is an amenable number.

12313521424 is a deficient number, since it is larger than the sum of its proper divisors (11543926366).

12313521424 is an equidigital number, since it uses as much as digits as its factorization.

12313521424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769595097 (or 769595091 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The spelling of 12313521424 in words is "twelve billion, three hundred thirteen million, five hundred twenty-one thousand, four hundred twenty-four".