122019996017 has 2 divisors, whose sum is σ = 122019996018. Its totient is φ = 122019996016.

The previous prime is 122019996013. The next prime is 122019996023. The reversal of 122019996017 is 710699910221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78069389281 + 43950606736 = 279409^2 + 209644^2 .

It is a cyclic number.

It is not a de Polignac number, because 122019996017 - 2² = 122019996013 is a prime.

It is not a weakly prime, because it can be changed into another prime (122019996013) 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, 61009998008 + 61009998009.

It is an arithmetic number, because the mean of its divisors is an integer number (61009998009).

Almost surely, 2^122019996017 is an apocalyptic number.

It is an amenable number.

122019996017 is a deficient number, since it is larger than the sum of its proper divisors (1).

122019996017 is an equidigital number, since it uses as much as digits as its factorization.

122019996017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 47.

The spelling of 122019996017 in words is "one hundred twenty-two billion, nineteen million, nine hundred ninety-six thousand, seventeen".