12000222100171 has 2 divisors, whose sum is σ = 12000222100172. Its totient is φ = 12000222100170.

The previous prime is 12000222100157. The next prime is 12000222100183. The reversal of 12000222100171 is 17100122200021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12000222100171 - 2²¹ = 12000220003019 is a prime.

It is not a weakly prime, because it can be changed into another prime (12000222700171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000111050085 + 6000111050086.

It is an arithmetic number, because the mean of its divisors is an integer number (6000111050086).

Almost surely, 2^{12000222100171} is an apocalyptic number.

12000222100171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000222100171 is an equidigital number, since it uses as much as digits as its factorization.

12000222100171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 12000222100171 its reverse (17100122200021), we get a palindrome (29100344300192).

The spelling of 12000222100171 in words is "twelve trillion, two hundred twenty-two million, one hundred thousand, one hundred seventy-one".