12273928171 has 4 divisors (see below), whose sum is σ = 12274837200. Its totient is φ = 12273019144.

The previous prime is 12273928159. The next prime is 12273928181. The reversal of 12273928171 is 17182937221.

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

It is a cyclic number.

It is not a de Polignac number, because 12273928171 - 2¹¹ = 12273926123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12273928111) 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, 433951 + ... + 461368.

It is an arithmetic number, because the mean of its divisors is an integer number (3068709300).

Almost surely, 2^12273928171 is an apocalyptic number.

12273928171 is a deficient number, since it is larger than the sum of its proper divisors (909029).

12273928171 is an equidigital number, since it uses as much as digits as its factorization.

12273928171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909028.

The product of its digits is 84672, while the sum is 43.

The spelling of 12273928171 in words is "twelve billion, two hundred seventy-three million, nine hundred twenty-eight thousand, one hundred seventy-one".