122212159 has 2 divisors, whose sum is σ = 122212160. Its totient is φ = 122212158.

The previous prime is 122212157. The next prime is 122212183. The reversal of 122212159 is 951212221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122212159 - 2¹ = 122212157 is a prime.

Together with 122212157, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122212157) 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, 61106079 + 61106080.

It is an arithmetic number, because the mean of its divisors is an integer number (61106080).

Almost surely, 2^122212159 is an apocalyptic number.

122212159 is a deficient number, since it is larger than the sum of its proper divisors (1).

122212159 is an equidigital number, since it uses as much as digits as its factorization.

122212159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 25.

The square root of 122212159 is about 11054.9608321332. The cubic root of 122212159 is about 496.2548971128.

The spelling of 122212159 in words is "one hundred twenty-two million, two hundred twelve thousand, one hundred fifty-nine".