12422400169 has 2 divisors, whose sum is σ = 12422400170. Its totient is φ = 12422400168.

The previous prime is 12422400163. The next prime is 12422400187. The reversal of 12422400169 is 96100422421.

12422400169 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 can be written as a sum of positive squares in only one way, i.e., 10611472144 + 1810928025 = 103012^2 + 42555^2 .

It is a cyclic number.

It is not a de Polignac number, because 12422400169 - 2⁷ = 12422400041 is a prime.

It is a super-2 number, since 2×12422400169² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12422400169.

It is not a weakly prime, because it can be changed into another prime (12422400163) 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, 6211200084 + 6211200085.

It is an arithmetic number, because the mean of its divisors is an integer number (6211200085).

Almost surely, 2^12422400169 is an apocalyptic number.

It is an amenable number.

12422400169 is a deficient number, since it is larger than the sum of its proper divisors (1).

12422400169 is an equidigital number, since it uses as much as digits as its factorization.

12422400169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 12422400169 in words is "twelve billion, four hundred twenty-two million, four hundred thousand, one hundred sixty-nine".