12000109997 has 2 divisors, whose sum is σ = 12000109998. Its totient is φ = 12000109996.

The previous prime is 12000109987. The next prime is 12000110039. The reversal of 12000109997 is 79990100021.

12000109997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11480908201 + 519201796 = 107149^2 + 22786^2 .

It is a cyclic number.

It is not a de Polignac number, because 12000109997 - 2¹⁰ = 12000108973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12000109997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12000109987) 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 as a sum of consecutive naturals, namely, 6000054998 + 6000054999.

It is an arithmetic number, because the mean of its divisors is an integer number (6000054999).

Almost surely, 2^12000109997 is an apocalyptic number.

It is an amenable number.

12000109997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000109997 is an equidigital number, since it uses as much as digits as its factorization.

12000109997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 38.

The spelling of 12000109997 in words is "twelve billion, one hundred nine thousand, nine hundred ninety-seven".