122500440019 has 2 divisors, whose sum is σ = 122500440020. Its totient is φ = 122500440018.

The previous prime is 122500439993. The next prime is 122500440037. The reversal of 122500440019 is 910044005221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122500440019 - 2²⁵ = 122466885587 is a prime.

It is a super-2 number, since 2×122500440019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122500440119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61250220009 + 61250220010.

It is an arithmetic number, because the mean of its divisors is an integer number (61250220010).

Almost surely, 2^122500440019 is an apocalyptic number.

122500440019 is a deficient number, since it is larger than the sum of its proper divisors (1).

122500440019 is an equidigital number, since it uses as much as digits as its factorization.

122500440019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 122500440019 in words is "one hundred twenty-two billion, five hundred million, four hundred forty thousand, nineteen".