12798611842 has 8 divisors (see below), whose sum is σ = 19200545100. Its totient is φ = 6398430144.

The previous prime is 12798611827. The next prime is 12798611863. The reversal of 12798611842 is 24811689721.

It can be written as a sum of positive squares in 2 ways, for example, as 9258480841 + 3540131001 = 96221^2 + 59499^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419467 + ... + 448942.

Almost surely, 2^12798611842 is an apocalyptic number.

12798611842 is a deficient number, since it is larger than the sum of its proper divisors (6401933258).

12798611842 is an equidigital number, since it uses as much as digits as its factorization.

12798611842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875780.

The product of its digits is 387072, while the sum is 49.

The spelling of 12798611842 in words is "twelve billion, seven hundred ninety-eight million, six hundred eleven thousand, eight hundred forty-two".