12102201221129 has 2 divisors, whose sum is σ = 12102201221130. Its totient is φ = 12102201221128.

The previous prime is 12102201221107. The next prime is 12102201221179. The reversal of 12102201221129 is 92112210220121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11913011019529 + 189190201600 = 3451523^2 + 434960^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102201221129 - 2²⁴ = 12102184443913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12102201221098 and 12102201221107.

It is not a weakly prime, because it can be changed into another prime (12102201221179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051100610564 + 6051100610565.

It is an arithmetic number, because the mean of its divisors is an integer number (6051100610565).

Almost surely, 2^{12102201221129} is an apocalyptic number.

It is an amenable number.

12102201221129 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102201221129 is an equidigital number, since it uses as much as digits as its factorization.

12102201221129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 12102201221129 in words is "twelve trillion, one hundred two billion, two hundred one million, two hundred twenty-one thousand, one hundred twenty-nine".