12120010171 has 2 divisors, whose sum is σ = 12120010172. Its totient is φ = 12120010170.

The previous prime is 12120010157. The next prime is 12120010181. The reversal of 12120010171 is 17101002121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12120010171 - 2²¹ = 12117913019 is a prime.

It is not a weakly prime, because it can be changed into another prime (12120010181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060005085 + 6060005086.

It is an arithmetic number, because the mean of its divisors is an integer number (6060005086).

Almost surely, 2^12120010171 is an apocalyptic number.

12120010171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120010171 is an equidigital number, since it uses as much as digits as its factorization.

12120010171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 12120010171 its reverse (17101002121), we get a palindrome (29221012292).

The spelling of 12120010171 in words is "twelve billion, one hundred twenty million, ten thousand, one hundred seventy-one".