122330121209 has 2 divisors, whose sum is σ = 122330121210. Its totient is φ = 122330121208.

The previous prime is 122330121197. The next prime is 122330121257. The reversal of 122330121209 is 902121033221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62099144809 + 60230976400 = 249197^2 + 245420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122330121209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (122330121269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61165060604 + 61165060605.

It is an arithmetic number, because the mean of its divisors is an integer number (61165060605).

Almost surely, 2^122330121209 is an apocalyptic number.

It is an amenable number.

122330121209 is a deficient number, since it is larger than the sum of its proper divisors (1).

122330121209 is an equidigital number, since it uses as much as digits as its factorization.

122330121209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 122330121209 in words is "one hundred twenty-two billion, three hundred thirty million, one hundred twenty-one thousand, two hundred nine".