12200666240442 has 32 divisors (see below), whose sum is σ = 24805540915200. Its totient is φ = 3999716799408.

The previous prime is 12200666240369. The next prime is 12200666240447. The reversal of 12200666240442 is 24404266600221.

It is a super-2 number, since 2×12200666240442² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12200666240442.

It is not an unprimeable number, because it can be changed into a prime (12200666240447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24266442 + ... + 24764117.

It is an arithmetic number, because the mean of its divisors is an integer number (775173153600).

Almost surely, 2^{12200666240442} is an apocalyptic number.

12200666240442 is an abundant number, since it is smaller than the sum of its proper divisors (12604874674758).

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

12200666240442 is a wasteful number, since it uses less digits than its factorization.

12200666240442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49031250.

The product of its (nonzero) digits is 221184, while the sum is 39.

The spelling of 12200666240442 in words is "twelve trillion, two hundred billion, six hundred sixty-six million, two hundred forty thousand, four hundred forty-two".