12098966879 has 4 divisors (see below), whose sum is σ = 12099581520. Its totient is φ = 12098352240.

The previous prime is 12098966833. The next prime is 12098966903. The reversal of 12098966879 is 97866989021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97866989021 = 19 ⋅5150894159.

It is a cyclic number.

It is not a de Polignac number, because 12098966879 - 2¹² = 12098962783 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 (12098966809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276782 + ... + 317499.

It is an arithmetic number, because the mean of its divisors is an integer number (3024895380).

Almost surely, 2^12098966879 is an apocalyptic number.

12098966879 is a deficient number, since it is larger than the sum of its proper divisors (614641).

12098966879 is an equidigital number, since it uses as much as digits as its factorization.

12098966879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614640.

The product of its (nonzero) digits is 23514624, while the sum is 65.

The spelling of 12098966879 in words is "twelve billion, ninety-eight million, nine hundred sixty-six thousand, eight hundred seventy-nine".