12322323321220 has 72 divisors (see below), whose sum is σ = 28444079490624. Its totient is φ = 4480703304000.

The previous prime is 12322323321211. The next prime is 12322323321229. The reversal of 12322323321220 is 2212332322321.

It is an interprime number because it is at equal distance from previous prime (12322323321211) and next prime (12322323321229).

It is not an unprimeable number, because it can be changed into a prime (12322323321229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104802265 + ... + 104919775.

It is an arithmetic number, because the mean of its divisors is an integer number (395056659592).

Almost surely, 2^{12322323321220} is an apocalyptic number.

12322323321220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12322323321220 is an abundant number, since it is smaller than the sum of its proper divisors (16121756169404).

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

12322323321220 is a wasteful number, since it uses less digits than its factorization.

12322323321220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160873 (or 160860 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 12322323321220 its reverse (2212332322321), we get a palindrome (14534655643541).

The spelling of 12322323321220 in words is "twelve trillion, three hundred twenty-two billion, three hundred twenty-three million, three hundred twenty-one thousand, two hundred twenty".