12279859199 has 4 divisors (see below), whose sum is σ = 12289614120. Its totient is φ = 12270104280.

The previous prime is 12279859157. The next prime is 12279859223. The reversal of 12279859199 is 99195897221.

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 12279859199 - 2¹⁶ = 12279793663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12279859129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4875572 + ... + 4878089.

It is an arithmetic number, because the mean of its divisors is an integer number (3072403530).

Almost surely, 2^12279859199 is an apocalyptic number.

12279859199 is a deficient number, since it is larger than the sum of its proper divisors (9754921).

12279859199 is an equidigital number, since it uses as much as digits as its factorization.

12279859199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9754920.

The product of its digits is 7348320, while the sum is 62.

The spelling of 12279859199 in words is "twelve billion, two hundred seventy-nine million, eight hundred fifty-nine thousand, one hundred ninety-nine".