12842618879 has 4 divisors (see below), whose sum is σ = 12846677184. Its totient is φ = 12838560576.

The previous prime is 12842618869. The next prime is 12842618903. The reversal of 12842618879 is 97881624821.

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 12842618879 - 2⁸ = 12842618623 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 (12842618849) 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, 2024402 + ... + 2030735.

It is an arithmetic number, because the mean of its divisors is an integer number (3211669296).

Almost surely, 2^12842618879 is an apocalyptic number.

12842618879 is a deficient number, since it is larger than the sum of its proper divisors (4058305).

12842618879 is an equidigital number, since it uses as much as digits as its factorization.

12842618879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058304.

The product of its digits is 3096576, while the sum is 56.

The spelling of 12842618879 in words is "twelve billion, eight hundred forty-two million, six hundred eighteen thousand, eight hundred seventy-nine".