122217380039 has 2 divisors, whose sum is σ = 122217380040. Its totient is φ = 122217380038.

The previous prime is 122217380023. The next prime is 122217380063. The reversal of 122217380039 is 930083712221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122217380039 - 2⁴ = 122217380023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122217379984 and 122217380011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122217380099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61108690019 + 61108690020.

It is an arithmetic number, because the mean of its divisors is an integer number (61108690020).

Almost surely, 2^122217380039 is an apocalyptic number.

122217380039 is a deficient number, since it is larger than the sum of its proper divisors (1).

122217380039 is an equidigital number, since it uses as much as digits as its factorization.

122217380039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 122217380039 in words is "one hundred twenty-two billion, two hundred seventeen million, three hundred eighty thousand, thirty-nine".