12322311320 has 64 divisors (see below), whose sum is σ = 30816404640. Its totient is φ = 4396288000.

The previous prime is 12322311307. The next prime is 12322311343. The reversal of 12322311320 is 2311322321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12322311292 and 12322311301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240881 + ... + 287520.

Almost surely, 2^12322311320 is an apocalyptic number.

12322311320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12322311320 is an abundant number, since it is smaller than the sum of its proper divisors (18494093320).

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

12322311320 is a wasteful number, since it uses less digits than its factorization.

12322311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528476 (or 528472 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12322311320 its reverse (2311322321), we get a palindrome (14633633641).

The spelling of 12322311320 in words is "twelve billion, three hundred twenty-two million, three hundred eleven thousand, three hundred twenty".