122099981963 has 2 divisors, whose sum is σ = 122099981964. Its totient is φ = 122099981962.

The previous prime is 122099981929. The next prime is 122099982023. The reversal of 122099981963 is 369189990221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122099981963 - 2¹⁰ = 122099980939 is a prime.

It is not a weakly prime, because it can be changed into another prime (122099983963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61049990981 + 61049990982.

It is an arithmetic number, because the mean of its divisors is an integer number (61049990982).

Almost surely, 2^122099981963 is an apocalyptic number.

122099981963 is a deficient number, since it is larger than the sum of its proper divisors (1).

122099981963 is an equidigital number, since it uses as much as digits as its factorization.

122099981963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3779136, while the sum is 59.

The spelling of 122099981963 in words is "one hundred twenty-two billion, ninety-nine million, nine hundred eighty-one thousand, nine hundred sixty-three".