12003664109 has 2 divisors, whose sum is σ = 12003664110. Its totient is φ = 12003664108.

The previous prime is 12003664103. The next prime is 12003664129. The reversal of 12003664109 is 90146630021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9801990025 + 2201674084 = 99005^2 + 46922^2 .

It is a cyclic number.

It is not a de Polignac number, because 12003664109 - 2²⁴ = 11986886893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12003664103) 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 as a sum of consecutive naturals, namely, 6001832054 + 6001832055.

It is an arithmetic number, because the mean of its divisors is an integer number (6001832055).

Almost surely, 2^12003664109 is an apocalyptic number.

It is an amenable number.

12003664109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12003664109 is an equidigital number, since it uses as much as digits as its factorization.

12003664109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 12003664109 in words is "twelve billion, three million, six hundred sixty-four thousand, one hundred nine".