12909569018 has 8 divisors (see below), whose sum is σ = 19364909760. Its totient is φ = 6454599100.

The previous prime is 12909569011. The next prime is 12909569063. The reversal of 12909569018 is 81096590921.

12909569018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (12909569011) 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, 23423 + ... + 162381.

It is an arithmetic number, because the mean of its divisors is an integer number (2420613720).

Almost surely, 2^12909569018 is an apocalyptic number.

12909569018 is a deficient number, since it is larger than the sum of its proper divisors (6455340742).

12909569018 is a wasteful number, since it uses less digits than its factorization.

12909569018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185412.

The product of its (nonzero) digits is 349920, while the sum is 50.

The spelling of 12909569018 in words is "twelve billion, nine hundred nine million, five hundred sixty-nine thousand, eighteen".