123222132169 has 2 divisors, whose sum is σ = 123222132170. Its totient is φ = 123222132168.

The previous prime is 123222132139. The next prime is 123222132181. The reversal of 123222132169 is 961231222321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123052220944 + 169911225 = 350788^2 + 13035^2 .

It is a cyclic number.

It is not a de Polignac number, because 123222132169 - 2¹³ = 123222123977 is a prime.

It is a super-2 number, since 2×123222132169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123222132139) 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, 61611066084 + 61611066085.

It is an arithmetic number, because the mean of its divisors is an integer number (61611066085).

Almost surely, 2^123222132169 is an apocalyptic number.

It is an amenable number.

123222132169 is a deficient number, since it is larger than the sum of its proper divisors (1).

123222132169 is an equidigital number, since it uses as much as digits as its factorization.

123222132169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The spelling of 123222132169 in words is "one hundred twenty-three billion, two hundred twenty-two million, one hundred thirty-two thousand, one hundred sixty-nine".