122352795989 has 2 divisors, whose sum is σ = 122352795990. Its totient is φ = 122352795988.

The previous prime is 122352795931. The next prime is 122352796003. The reversal of 122352795989 is 989597253221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90100227889 + 32252568100 = 300167^2 + 179590^2 .

It is a cyclic number.

It is not a de Polignac number, because 122352795989 - 2²⁴ = 122336018773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122352797989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61176397994 + 61176397995.

It is an arithmetic number, because the mean of its divisors is an integer number (61176397995).

Almost surely, 2^122352795989 is an apocalyptic number.

It is an amenable number.

122352795989 is a deficient number, since it is larger than the sum of its proper divisors (1).

122352795989 is an equidigital number, since it uses as much as digits as its factorization.

122352795989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24494400, while the sum is 62.

The spelling of 122352795989 in words is "one hundred twenty-two billion, three hundred fifty-two million, seven hundred ninety-five thousand, nine hundred eighty-nine".