12006666801 has 8 divisors (see below), whose sum is σ = 17787654560. Its totient is φ = 8004444516.

The previous prime is 12006666779. The next prime is 12006666803. The reversal of 12006666801 is 10866660021.

12006666801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12006666801 - 2⁹ = 12006666289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12006666803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222345655 + ... + 222345708.

It is an arithmetic number, because the mean of its divisors is an integer number (2223456820).

Almost surely, 2^12006666801 is an apocalyptic number.

It is an amenable number.

12006666801 is a deficient number, since it is larger than the sum of its proper divisors (5780987759).

12006666801 is an equidigital number, since it uses as much as digits as its factorization.

12006666801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444691372 (or 444691366 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 12006666801 in words is "twelve billion, six million, six hundred sixty-six thousand, eight hundred one".