12000660066600 has 48 divisors (see below), whose sum is σ = 37202046208320. Its totient is φ = 3200176017600.

The previous prime is 12000660066539. The next prime is 12000660066653. The reversal of 12000660066600 is 666006600021.

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, 10000549456 + ... + 10000550655.

It is an arithmetic number, because the mean of its divisors is an integer number (775042629340).

Almost surely, 2^{12000660066600} is an apocalyptic number.

12000660066600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000660066600 is an abundant number, since it is smaller than the sum of its proper divisors (25201386141720).

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

12000660066600 is a wasteful number, since it uses less digits than its factorization.

12000660066600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20001100130 (or 20001100121 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

Adding to 12000660066600 its reverse (666006600021), we get a palindrome (12666666666621).

The spelling of 12000660066600 in words is "twelve trillion, six hundred sixty million, sixty-six thousand, six hundred".