12223220131 has 2 divisors, whose sum is σ = 12223220132. Its totient is φ = 12223220130.

The previous prime is 12223220123. The next prime is 12223220189. The reversal of 12223220131 is 13102232221.

12223220131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12223220131 - 2³ = 12223220123 is a prime.

It is a super-2 number, since 2×12223220131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12223220099 and 12223220108.

It is not a weakly prime, because it can be changed into another prime (12223220101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111610065 + 6111610066.

It is an arithmetic number, because the mean of its divisors is an integer number (6111610066).

Almost surely, 2^12223220131 is an apocalyptic number.

12223220131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12223220131 is an equidigital number, since it uses as much as digits as its factorization.

12223220131 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12223220131 its reverse (13102232221), we get a palindrome (25325452352).

The spelling of 12223220131 in words is "twelve billion, two hundred twenty-three million, two hundred twenty thousand, one hundred thirty-one".