122343020542217 has 2 divisors, whose sum is σ = 122343020542218. Its totient is φ = 122343020542216.

The previous prime is 122343020542189. The next prime is 122343020542333. The reversal of 122343020542217 is 712245020343221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116687071148041 + 5655949394176 = 10802179^2 + 2378224^2 .

It is a cyclic number.

It is not a de Polignac number, because 122343020542217 - 2⁶ = 122343020542153 is a prime.

It is not a weakly prime, because it can be changed into another prime (122343020442217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61171510271108 + 61171510271109.

It is an arithmetic number, because the mean of its divisors is an integer number (61171510271109).

Almost surely, 2^{122343020542217} is an apocalyptic number.

It is an amenable number.

122343020542217 is a deficient number, since it is larger than the sum of its proper divisors (1).

122343020542217 is an equidigital number, since it uses as much as digits as its factorization.

122343020542217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 38.

Adding to 122343020542217 its reverse (712245020343221), we get a palindrome (834588040885438).

The spelling of 122343020542217 in words is "one hundred twenty-two trillion, three hundred forty-three billion, twenty million, five hundred forty-two thousand, two hundred seventeen".