12222213333331 has 2 divisors, whose sum is σ = 12222213333332. Its totient is φ = 12222213333330.

The previous prime is 12222213333311. The next prime is 12222213333371. The reversal of 12222213333331 is 13333331222221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12222213333331 - 2⁷ = 12222213333203 is a prime.

It is a super-2 number, since 2×12222213333331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12222213333293 and 12222213333302.

It is not a weakly prime, because it can be changed into another prime (12222213333311) 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 as a sum of consecutive naturals, namely, 6111106666665 + 6111106666666.

It is an arithmetic number, because the mean of its divisors is an integer number (6111106666666).

Almost surely, 2^{12222213333331} is an apocalyptic number.

12222213333331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222213333331 is an equidigital number, since it uses as much as digits as its factorization.

12222213333331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 31.

Adding to 12222213333331 its reverse (13333331222221), we get a palindrome (25555544555552).

The spelling of 12222213333331 in words is "twelve trillion, two hundred twenty-two billion, two hundred thirteen million, three hundred thirty-three thousand, three hundred thirty-one".