12242505666 has 16 divisors (see below), whose sum is σ = 24533121600. Its totient is φ = 4072816848.

The previous prime is 12242505641. The next prime is 12242505677. The reversal of 12242505666 is 66650524221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2001286 + ... + 2007393.

It is an arithmetic number, because the mean of its divisors is an integer number (1533320100).

Almost surely, 2^12242505666 is an apocalyptic number.

12242505666 is an abundant number, since it is smaller than the sum of its proper divisors (12290615934).

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

12242505666 is a wasteful number, since it uses less digits than its factorization.

12242505666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4009193.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 12242505666 in words is "twelve billion, two hundred forty-two million, five hundred five thousand, six hundred sixty-six".