12220131323321 has 8 divisors (see below), whose sum is σ = 12939462021024. Its totient is φ = 11500856119360.

The previous prime is 12220131323297. The next prime is 12220131323357. The reversal of 12220131323321 is 12332313102221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220131323321 is a prime.

It is a super-2 number, since 2×12220131323321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220131323381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13419635 + ... + 14301288.

It is an arithmetic number, because the mean of its divisors is an integer number (1617432752628).

Almost surely, 2^{12220131323321} is an apocalyptic number.

It is an amenable number.

12220131323321 is a deficient number, since it is larger than the sum of its proper divisors (719330697703).

12220131323321 is a wasteful number, since it uses less digits than its factorization.

12220131323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27746871.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12220131323321 its reverse (12332313102221), we get a palindrome (24552444425542).

The spelling of 12220131323321 in words is "twelve trillion, two hundred twenty billion, one hundred thirty-one million, three hundred twenty-three thousand, three hundred twenty-one".