12320332432 has 20 divisors (see below), whose sum is σ = 23948408176. Its totient is φ = 6140098080.

The previous prime is 12320332403. The next prime is 12320332441. The reversal of 12320332432 is 23423302321.

12320332432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12320332397 and 12320332406.

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, 1249194 + ... + 1259017.

Almost surely, 2^12320332432 is an apocalyptic number.

It is an amenable number.

12320332432 is a deficient number, since it is larger than the sum of its proper divisors (11628075744).

12320332432 is a wasteful number, since it uses less digits than its factorization.

12320332432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508526 (or 2508520 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 12320332432 its reverse (23423302321), we get a palindrome (35743634753).

The spelling of 12320332432 in words is "twelve billion, three hundred twenty million, three hundred thirty-two thousand, four hundred thirty-two".