12863127171 has 4 divisors (see below), whose sum is σ = 17150836232. Its totient is φ = 8575418112.

The previous prime is 12863127119. The next prime is 12863127187. The reversal of 12863127171 is 17172136821.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12863127171 - 2⁶ = 12863127107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12863127671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2143854526 + ... + 2143854531.

It is an arithmetic number, because the mean of its divisors is an integer number (4287709058).

Almost surely, 2^12863127171 is an apocalyptic number.

12863127171 is a deficient number, since it is larger than the sum of its proper divisors (4287709061).

12863127171 is an equidigital number, since it uses as much as digits as its factorization.

12863127171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4287709060.

The product of its digits is 28224, while the sum is 39.

The spelling of 12863127171 in words is "twelve billion, eight hundred sixty-three million, one hundred twenty-seven thousand, one hundred seventy-one".