12315428179 has 4 divisors (see below), whose sum is σ = 12317298784. Its totient is φ = 12313557576.

The previous prime is 12315428159. The next prime is 12315428197. The reversal of 12315428179 is 97182451321.

12315428179 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12315428179 - 2⁹ = 12315427667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12315428129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925392 + ... + 938605.

It is an arithmetic number, because the mean of its divisors is an integer number (3079324696).

Almost surely, 2^12315428179 is an apocalyptic number.

12315428179 is a deficient number, since it is larger than the sum of its proper divisors (1870605).

12315428179 is an equidigital number, since it uses as much as digits as its factorization.

12315428179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870604.

The product of its digits is 120960, while the sum is 43.

The spelling of 12315428179 in words is "twelve billion, three hundred fifteen million, four hundred twenty-eight thousand, one hundred seventy-nine".