12247943179 has 2 divisors, whose sum is σ = 12247943180. Its totient is φ = 12247943178.

The previous prime is 12247943177. The next prime is 12247943203. The reversal of 12247943179 is 97134974221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12247943179 - 2¹ = 12247943177 is a prime.

It is a super-2 number, since 2×12247943179² (a number of 21 digits) contains 22 as substring.

Together with 12247943177, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12247943177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6123971589 + 6123971590.

It is an arithmetic number, because the mean of its divisors is an integer number (6123971590).

Almost surely, 2^12247943179 is an apocalyptic number.

12247943179 is a deficient number, since it is larger than the sum of its proper divisors (1).

12247943179 is an equidigital number, since it uses as much as digits as its factorization.

12247943179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 49.

The spelling of 12247943179 in words is "twelve billion, two hundred forty-seven million, nine hundred forty-three thousand, one hundred seventy-nine".