12210112169 has 2 divisors, whose sum is σ = 12210112170. Its totient is φ = 12210112168.

The previous prime is 12210112157. The next prime is 12210112223. The reversal of 12210112169 is 96121101221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6644206144 + 5565906025 = 81512^2 + 74605^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210112169 - 2²⁴ = 12193334953 is a prime.

It is a super-2 number, since 2×12210112169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12210112129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105056084 + 6105056085.

It is an arithmetic number, because the mean of its divisors is an integer number (6105056085).

Almost surely, 2^12210112169 is an apocalyptic number.

It is an amenable number.

12210112169 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210112169 is an equidigital number, since it uses as much as digits as its factorization.

12210112169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 12210112169 in words is "twelve billion, two hundred ten million, one hundred twelve thousand, one hundred sixty-nine".