12000099966 has 8 divisors (see below), whose sum is σ = 24000199944. Its totient is φ = 4000033320.

The previous prime is 12000099877. The next prime is 12000099977. The reversal of 12000099966 is 66999000021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

12000099966 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000008325 + ... + 1000008336.

It is an arithmetic number, because the mean of its divisors is an integer number (3000024993).

Almost surely, 2^12000099966 is an apocalyptic number.

12000099966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12000099966 is a wasteful number, since it uses less digits than its factorization.

12000099966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000016666.

The product of its (nonzero) digits is 52488, while the sum is 42.

Adding to 12000099966 its reverse (66999000021), we get a palindrome (78999099987).

The spelling of 12000099966 in words is "twelve billion, ninety-nine thousand, nine hundred sixty-six".