122017642207 has 2 divisors, whose sum is σ = 122017642208. Its totient is φ = 122017642206.

The previous prime is 122017642199. The next prime is 122017642247. The reversal of 122017642207 is 702246710221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122017642207 - 2³ = 122017642199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122017642247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61008821103 + 61008821104.

It is an arithmetic number, because the mean of its divisors is an integer number (61008821104).

Almost surely, 2^122017642207 is an apocalyptic number.

122017642207 is a deficient number, since it is larger than the sum of its proper divisors (1).

122017642207 is an equidigital number, since it uses as much as digits as its factorization.

122017642207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 34.

The spelling of 122017642207 in words is "one hundred twenty-two billion, seventeen million, six hundred forty-two thousand, two hundred seven".