12159616747 has 6 divisors (see below), whose sum is σ = 12711282332. Its totient is φ = 11630937252.

The previous prime is 12159616663. The next prime is 12159616759. The reversal of 12159616747 is 74761695121.

12159616747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12159616747 - 2²³ = 12151228139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12159616747.

It is not an unprimeable number, because it can be changed into a prime (12159616787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11492493 + ... + 11493550.

Almost surely, 2^12159616747 is an apocalyptic number.

12159616747 is a deficient number, since it is larger than the sum of its proper divisors (551665585).

12159616747 is an equidigital number, since it uses as much as digits as its factorization.

12159616747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22986089 (or 22986066 counting only the distinct ones).

The product of its digits is 635040, while the sum is 49.

The spelling of 12159616747 in words is "twelve billion, one hundred fifty-nine million, six hundred sixteen thousand, seven hundred forty-seven".