123102202019969 has 2 divisors, whose sum is σ = 123102202019970. Its totient is φ = 123102202019968.

The previous prime is 123102202019911. The next prime is 123102202020019. The reversal of 123102202019969 is 969910202201321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74613540995569 + 48488661024400 = 8637913^2 + 6963380^2 .

It is a cyclic number.

It is not a de Polignac number, because 123102202019969 - 2²⁴ = 123102185242753 is a prime.

It is a super-2 number, since 2×123102202019969² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123102202013969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61551101009984 + 61551101009985.

It is an arithmetic number, because the mean of its divisors is an integer number (61551101009985).

Almost surely, 2^{123102202019969} is an apocalyptic number.

It is an amenable number.

123102202019969 is a deficient number, since it is larger than the sum of its proper divisors (1).

123102202019969 is an equidigital number, since it uses as much as digits as its factorization.

123102202019969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 47.

The spelling of 123102202019969 in words is "one hundred twenty-three trillion, one hundred two billion, two hundred two million, nineteen thousand, nine hundred sixty-nine".