12118322647 has 8 divisors (see below), whose sum is σ = 12340566800. Its totient is φ = 11896839360.

The previous prime is 12118322627. The next prime is 12118322669. The reversal of 12118322647 is 74622381121.

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

It is a cyclic number.

It is not a de Polignac number, because 12118322647 - 2⁷ = 12118322519 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 (12118322627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158022 + ... + 221827.

It is an arithmetic number, because the mean of its divisors is an integer number (1542570850).

Almost surely, 2^12118322647 is an apocalyptic number.

12118322647 is a deficient number, since it is larger than the sum of its proper divisors (222244153).

12118322647 is an equidigital number, since it uses as much as digits as its factorization.

12118322647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380433.

The product of its digits is 32256, while the sum is 37.

The spelling of 12118322647 in words is "twelve billion, one hundred eighteen million, three hundred twenty-two thousand, six hundred forty-seven".