12090910566 has 64 divisors (see below), whose sum is σ = 29108851200. Its totient is φ = 3270710016.

The previous prime is 12090910487. The next prime is 12090910583. The reversal of 12090910566 is 66501909021.

12090910566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1663396 + ... + 1670648.

It is an arithmetic number, because the mean of its divisors is an integer number (454825800).

Almost surely, 2^12090910566 is an apocalyptic number.

12090910566 is an abundant number, since it is smaller than the sum of its proper divisors (17017940634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12090910566 is a wasteful number, since it uses less digits than its factorization.

12090910566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9373.

The product of its (nonzero) digits is 29160, while the sum is 39.

The spelling of 12090910566 in words is "twelve billion, ninety million, nine hundred ten thousand, five hundred sixty-six".