12164020171 has 2 divisors, whose sum is σ = 12164020172. Its totient is φ = 12164020170.

The previous prime is 12164020163. The next prime is 12164020177. The reversal of 12164020171 is 17102046121.

12164020171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12164020171 - 2³ = 12164020163 is a prime.

It is not a weakly prime, because it can be changed into another prime (12164020177) 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, 6082010085 + 6082010086.

It is an arithmetic number, because the mean of its divisors is an integer number (6082010086).

Almost surely, 2^12164020171 is an apocalyptic number.

12164020171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12164020171 is an equidigital number, since it uses as much as digits as its factorization.

12164020171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 12164020171 its reverse (17102046121), we get a palindrome (29266066292).

The spelling of 12164020171 in words is "twelve billion, one hundred sixty-four million, twenty thousand, one hundred seventy-one".