12159834459 has 4 divisors (see below), whose sum is σ = 16213112616. Its totient is φ = 8106556304.

The previous prime is 12159834457. The next prime is 12159834461. The reversal of 12159834459 is 95443895121.

12159834459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12159834457) and next prime (12159834461).

It is a cyclic number.

It is not a de Polignac number, because 12159834459 - 2¹ = 12159834457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12159834457) 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 3 ways as a sum of consecutive naturals, for example, 2026639074 + ... + 2026639079.

It is an arithmetic number, because the mean of its divisors is an integer number (4053278154).

Almost surely, 2^12159834459 is an apocalyptic number.

12159834459 is a deficient number, since it is larger than the sum of its proper divisors (4053278157).

12159834459 is an equidigital number, since it uses as much as digits as its factorization.

12159834459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053278156.

The product of its digits is 1555200, while the sum is 51.

The spelling of 12159834459 in words is "twelve billion, one hundred fifty-nine million, eight hundred thirty-four thousand, four hundred fifty-nine".