12666606200 has 48 divisors (see below), whose sum is σ = 30399869760. Its totient is φ = 4903200000.

The previous prime is 12666606187. The next prime is 12666606229. The reversal of 12666606200 is 260666621.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1015301 + ... + 1027700.

It is an arithmetic number, because the mean of its divisors is an integer number (633330620).

Almost surely, 2^12666606200 is an apocalyptic number.

12666606200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12666606200 is an abundant number, since it is smaller than the sum of its proper divisors (17733263560).

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

12666606200 is a wasteful number, since it uses less digits than its factorization.

12666606200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043048 (or 2043039 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 12666606200 in words is "twelve billion, six hundred sixty-six million, six hundred six thousand, two hundred".