122122199959 has 2 divisors, whose sum is σ = 122122199960. Its totient is φ = 122122199958.

The previous prime is 122122199951. The next prime is 122122200029. The reversal of 122122199959 is 959991221221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122122199959 - 2³ = 122122199951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122122199951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61061099979 + 61061099980.

It is an arithmetic number, because the mean of its divisors is an integer number (61061099980).

Almost surely, 2^122122199959 is an apocalyptic number.

122122199959 is a deficient number, since it is larger than the sum of its proper divisors (1).

122122199959 is an equidigital number, since it uses as much as digits as its factorization.

122122199959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 52.

The spelling of 122122199959 in words is "one hundred twenty-two billion, one hundred twenty-two million, one hundred ninety-nine thousand, nine hundred fifty-nine".