12000201209 has 2 divisors, whose sum is σ = 12000201210. Its totient is φ = 12000201208.

The previous prime is 12000201197. The next prime is 12000201259. The reversal of 12000201209 is 90210200021.

12000201209 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., 7184257600 + 4815943609 = 84760^2 + 69397^2 .

It is a cyclic number.

It is not a de Polignac number, because 12000201209 - 2¹⁶ = 12000135673 is a prime.

It is not a weakly prime, because it can be changed into another prime (12000201259) 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, 6000100604 + 6000100605.

It is an arithmetic number, because the mean of its divisors is an integer number (6000100605).

Almost surely, 2^12000201209 is an apocalyptic number.

It is an amenable number.

12000201209 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000201209 is an equidigital number, since it uses as much as digits as its factorization.

12000201209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 12000201209 in words is "twelve billion, two hundred one thousand, two hundred nine".