12132320171 has 2 divisors, whose sum is σ = 12132320172. Its totient is φ = 12132320170.

The previous prime is 12132320159. The next prime is 12132320237. The reversal of 12132320171 is 17102323121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12132320171 - 2⁶ = 12132320107 is a prime.

It is not a weakly prime, because it can be changed into another prime (12132322171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066160085 + 6066160086.

It is an arithmetic number, because the mean of its divisors is an integer number (6066160086).

Almost surely, 2^12132320171 is an apocalyptic number.

12132320171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12132320171 is an equidigital number, since it uses as much as digits as its factorization.

12132320171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 12132320171 its reverse (17102323121), we get a palindrome (29234643292).

The spelling of 12132320171 in words is "twelve billion, one hundred thirty-two million, three hundred twenty thousand, one hundred seventy-one".