12258116171 has 32 divisors (see below), whose sum is σ = 14873395200. Its totient is φ = 9868793760.

The previous prime is 12258116159. The next prime is 12258116261. The reversal of 12258116171 is 17161185221.

It is not a de Polignac number, because 12258116171 - 2²⁶ = 12191007307 is a prime.

It is a super-2 number, since 2×12258116171² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12258116141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8613566 + ... + 8614988.

It is an arithmetic number, because the mean of its divisors is an integer number (464793600).

Almost surely, 2^12258116171 is an apocalyptic number.

12258116171 is a deficient number, since it is larger than the sum of its proper divisors (2615279029).

12258116171 is a wasteful number, since it uses less digits than its factorization.

12258116171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959.

The product of its digits is 6720, while the sum is 35.

The spelling of 12258116171 in words is "twelve billion, two hundred fifty-eight million, one hundred sixteen thousand, one hundred seventy-one".