12220000312231 has 16 divisors (see below), whose sum is σ = 12666718126368. Its totient is φ = 11781662256000.

The previous prime is 12220000312213. The next prime is 12220000312241. The reversal of 12220000312231 is 13221300002221.

It is a cyclic number.

It is not a de Polignac number, because 12220000312231 - 2⁵ = 12220000312199 is a prime.

It is a super-2 number, since 2×12220000312231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12220000312199 and 12220000312208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220000312241) 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 15 ways as a sum of consecutive naturals, for example, 1599705 + ... + 5196061.

It is an arithmetic number, because the mean of its divisors is an integer number (791669882898).

Almost surely, 2^{12220000312231} is an apocalyptic number.

12220000312231 is a deficient number, since it is larger than the sum of its proper divisors (446717814137).

12220000312231 is a wasteful number, since it uses less digits than its factorization.

12220000312231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597522.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12220000312231 its reverse (13221300002221), we get a palindrome (25441300314452).

The spelling of 12220000312231 in words is "twelve trillion, two hundred twenty billion, three hundred twelve thousand, two hundred thirty-one".