12249516179 has 2 divisors, whose sum is σ = 12249516180. Its totient is φ = 12249516178.

The previous prime is 12249516137. The next prime is 12249516197. The reversal of 12249516179 is 97161594221.

Together with next prime (12249516197) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12249516179 - 2⁸ = 12249515923 is a prime.

It is not a weakly prime, because it can be changed into another prime (12249516109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6124758089 + 6124758090.

It is an arithmetic number, because the mean of its divisors is an integer number (6124758090).

Almost surely, 2^12249516179 is an apocalyptic number.

12249516179 is a deficient number, since it is larger than the sum of its proper divisors (1).

12249516179 is an equidigital number, since it uses as much as digits as its factorization.

12249516179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 47.

The spelling of 12249516179 in words is "twelve billion, two hundred forty-nine million, five hundred sixteen thousand, one hundred seventy-nine".