12591328324 has 12 divisors (see below), whose sum is σ = 23330990844. Its totient is φ = 5925330944.

The previous prime is 12591328313. The next prime is 12591328369. The reversal of 12591328324 is 42382319521.

It can be written as a sum of positive squares in 2 ways, for example, as 4844160000 + 7747168324 = 69600^2 + 88018^2 .

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, 92583229 + ... + 92583364.

It is an arithmetic number, because the mean of its divisors is an integer number (1944249237).

Almost surely, 2^12591328324 is an apocalyptic number.

It is an amenable number.

12591328324 is a deficient number, since it is larger than the sum of its proper divisors (10739662520).

12591328324 is a wasteful number, since it uses less digits than its factorization.

12591328324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185166614 (or 185166612 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The spelling of 12591328324 in words is "twelve billion, five hundred ninety-one million, three hundred twenty-eight thousand, three hundred twenty-four".