12412171 has 2 divisors, whose sum is σ = 12412172. Its totient is φ = 12412170.

The previous prime is 12412151. The next prime is 12412177. The reversal of 12412171 is 17121421.

12412171 is digitally balanced in base 3, 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 12412171 - 2²³ = 4023563 is a prime.

It is not a weakly prime, because it can be changed into another prime (12412177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6206085 + 6206086.

It is an arithmetic number, because the mean of its divisors is an integer number (6206086).

Almost surely, 2^12412171 is an apocalyptic number.

12412171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12412171 is an equidigital number, since it uses as much as digits as its factorization.

12412171 is an odious number, because the sum of its binary digits is odd.

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

The square root of 12412171 is about 3523.0911143483. The cubic root of 12412171 is about 231.5346088169.

Adding to 12412171 its reverse (17121421), we get a palindrome (29533592).

The spelling of 12412171 in words is "twelve million, four hundred twelve thousand, one hundred seventy-one".