12679526171 has 4 divisors (see below), whose sum is σ = 13654874352. Its totient is φ = 11704177992.

The previous prime is 12679526161. The next prime is 12679526173. The reversal of 12679526171 is 17162597621.

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

It is not a de Polignac number, because 12679526171 - 2¹⁰ = 12679525147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12679526173) 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 in 3 ways as a sum of consecutive naturals, for example, 487674071 + ... + 487674096.

It is an arithmetic number, because the mean of its divisors is an integer number (3413718588).

Almost surely, 2^12679526171 is an apocalyptic number.

12679526171 is a deficient number, since it is larger than the sum of its proper divisors (975348181).

12679526171 is an equidigital number, since it uses as much as digits as its factorization.

12679526171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975348180.

The product of its digits is 317520, while the sum is 47.

The spelling of 12679526171 in words is "twelve billion, six hundred seventy-nine million, five hundred twenty-six thousand, one hundred seventy-one".