12179773915 has 8 divisors (see below), whose sum is σ = 14891497488. Its totient is φ = 9559973280.

The previous prime is 12179773909. The next prime is 12179773919. The reversal of 12179773915 is 51937797121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12179773915 - 2¹⁹ = 12179249627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12179773919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22980441 + ... + 22980970.

It is an arithmetic number, because the mean of its divisors is an integer number (1861437186).

Almost surely, 2^12179773915 is an apocalyptic number.

12179773915 is a deficient number, since it is larger than the sum of its proper divisors (2711723573).

12179773915 is an equidigital number, since it uses as much as digits as its factorization.

12179773915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45961469.

The product of its digits is 833490, while the sum is 52.

The spelling of 12179773915 in words is "twelve billion, one hundred seventy-nine million, seven hundred seventy-three thousand, nine hundred fifteen".