12332312320 has 144 divisors (see below), whose sum is σ = 30053913120. Its totient is φ = 4847910912.

The previous prime is 12332312303. The next prime is 12332312341. The reversal of 12332312320 is 2321323321.

It is a junction number, because it is equal to n+sod(n) for n = 12332312291 and 12332312300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21904359 + ... + 21904921.

It is an arithmetic number, because the mean of its divisors is an integer number (208707730).

Almost surely, 2^12332312320 is an apocalyptic number.

12332312320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12332312320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15026956560).

12332312320 is an abundant number, since it is smaller than the sum of its proper divisors (17721600800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12332312320 is a wasteful number, since it uses less digits than its factorization.

12332312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12332312320 its reverse (2321323321), we get a palindrome (14653635641).

The spelling of 12332312320 in words is "twelve billion, three hundred thirty-two million, three hundred twelve thousand, three hundred twenty".