122200242173 has 2 divisors, whose sum is σ = 122200242174. Its totient is φ = 122200242172.

The previous prime is 122200242119. The next prime is 122200242209. The reversal of 122200242173 is 371242002221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121788436324 + 411805849 = 348982^2 + 20293^2 .

It is a cyclic number.

It is not a de Polignac number, because 122200242173 - 2¹⁸ = 122199980029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122200242103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61100121086 + 61100121087.

It is an arithmetic number, because the mean of its divisors is an integer number (61100121087).

Almost surely, 2^122200242173 is an apocalyptic number.

It is an amenable number.

122200242173 is a deficient number, since it is larger than the sum of its proper divisors (1).

122200242173 is an equidigital number, since it uses as much as digits as its factorization.

122200242173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 122200242173 its reverse (371242002221), we get a palindrome (493442244394).

The spelling of 122200242173 in words is "one hundred twenty-two billion, two hundred million, two hundred forty-two thousand, one hundred seventy-three".