12320030564 has 12 divisors (see below), whose sum is σ = 21562456188. Its totient is φ = 6159328800.

The previous prime is 12320030557. The next prime is 12320030573. The reversal of 12320030564 is 46503002321.

It can be written as a sum of positive squares in 2 ways, for example, as 8015620900 + 4304409664 = 89530^2 + 65608^2 .

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, 130127 + ... + 203894.

It is an arithmetic number, because the mean of its divisors is an integer number (1796871349).

Almost surely, 2^12320030564 is an apocalyptic number.

It is an amenable number.

12320030564 is a deficient number, since it is larger than the sum of its proper divisors (9242425624).

12320030564 is a wasteful number, since it uses less digits than its factorization.

12320030564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343246 (or 343244 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 12320030564 its reverse (46503002321), we get a palindrome (58823032885).

The spelling of 12320030564 in words is "twelve billion, three hundred twenty million, thirty thousand, five hundred sixty-four".