122012022020209 has 2 divisors, whose sum is σ = 122012022020210. Its totient is φ = 122012022020208.

The previous prime is 122012022020173. The next prime is 122012022020221. The reversal of 122012022020209 is 902020220210221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63869826259600 + 58142195760609 = 7991860^2 + 7625103^2 .

It is a cyclic number.

It is not a de Polignac number, because 122012022020209 - 2¹⁹ = 122012021495921 is a prime.

It is not a weakly prime, because it can be changed into another prime (122012022020269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006011010104 + 61006011010105.

It is an arithmetic number, because the mean of its divisors is an integer number (61006011010105).

Almost surely, 2^{122012022020209} is an apocalyptic number.

It is an amenable number.

122012022020209 is a deficient number, since it is larger than the sum of its proper divisors (1).

122012022020209 is an equidigital number, since it uses as much as digits as its factorization.

122012022020209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 122012022020209 in words is "one hundred twenty-two trillion, twelve billion, twenty-two million, twenty thousand, two hundred nine".