12069105818 has 24 divisors (see below), whose sum is σ = 22973847264. Its totient is φ = 4702248600.

The previous prime is 12069105793. The next prime is 12069105821. The reversal of 12069105818 is 81850196021.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5596838 + ... + 5598993.

It is an arithmetic number, because the mean of its divisors is an integer number (957243636).

Almost surely, 2^12069105818 is an apocalyptic number.

12069105818 is a deficient number, since it is larger than the sum of its proper divisors (10904741446).

12069105818 is a wasteful number, since it uses less digits than its factorization.

12069105818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11195858 (or 11195851 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 41.

The spelling of 12069105818 in words is "twelve billion, sixty-nine million, one hundred five thousand, eight hundred eighteen".