122020106025817 has 2 divisors, whose sum is σ = 122020106025818. Its totient is φ = 122020106025816.

The previous prime is 122020106025791. The next prime is 122020106025953. The reversal of 122020106025817 is 718520601020221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119846026551241 + 2174079474576 = 10947421^2 + 1474476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122020106025817 is a prime.

It is not a weakly prime, because it can be changed into another prime (122020106022817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010053012908 + 61010053012909.

It is an arithmetic number, because the mean of its divisors is an integer number (61010053012909).

Almost surely, 2^{122020106025817} is an apocalyptic number.

It is an amenable number.

122020106025817 is a deficient number, since it is larger than the sum of its proper divisors (1).

122020106025817 is an equidigital number, since it uses as much as digits as its factorization.

122020106025817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 122020106025817 in words is "one hundred twenty-two trillion, twenty billion, one hundred six million, twenty-five thousand, eight hundred seventeen".