12249516679 has 2 divisors, whose sum is σ = 12249516680. Its totient is φ = 12249516678.

The previous prime is 12249516647. The next prime is 12249516749. The reversal of 12249516679 is 97661594221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12249516679 - 2⁵ = 12249516647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12249516179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6124758339 + 6124758340.

It is an arithmetic number, because the mean of its divisors is an integer number (6124758340).

Almost surely, 2^12249516679 is an apocalyptic number.

12249516679 is a deficient number, since it is larger than the sum of its proper divisors (1).

12249516679 is an equidigital number, since it uses as much as digits as its factorization.

12249516679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 52.

The spelling of 12249516679 in words is "twelve billion, two hundred forty-nine million, five hundred sixteen thousand, six hundred seventy-nine".