12132320224 has 24 divisors (see below), whose sum is σ = 23888231640. Its totient is φ = 6065467776.

The previous prime is 12132320171. The next prime is 12132320237. The reversal of 12132320224 is 42202323121.

It is a junction number, because it is equal to n+sod(n) for n = 12132320195 and 12132320204.

It is a congruent number.

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, 374962 + ... + 406030.

It is an arithmetic number, because the mean of its divisors is an integer number (995342985).

Almost surely, 2^12132320224 is an apocalyptic number.

It is an amenable number.

12132320224 is a deficient number, since it is larger than the sum of its proper divisors (11755911416).

12132320224 is a wasteful number, since it uses less digits than its factorization.

12132320224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43282 (or 43274 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12132320224 its reverse (42202323121), we get a palindrome (54334643345).

The spelling of 12132320224 in words is "twelve billion, one hundred thirty-two million, three hundred twenty thousand, two hundred twenty-four".