12228456179 has 2 divisors, whose sum is σ = 12228456180. Its totient is φ = 12228456178.

The previous prime is 12228456173. The next prime is 12228456197. The reversal of 12228456179 is 97165482221.

Together with next prime (12228456197) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12228456179 - 2⁸ = 12228455923 is a prime.

It is not a weakly prime, because it can be changed into another prime (12228456173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6114228089 + 6114228090.

It is an arithmetic number, because the mean of its divisors is an integer number (6114228090).

Almost surely, 2^12228456179 is an apocalyptic number.

12228456179 is a deficient number, since it is larger than the sum of its proper divisors (1).

12228456179 is an equidigital number, since it uses as much as digits as its factorization.

12228456179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 47.

The spelling of 12228456179 in words is "twelve billion, two hundred twenty-eight million, four hundred fifty-six thousand, one hundred seventy-nine".