12036835009 has 2 divisors, whose sum is σ = 12036835010. Its totient is φ = 12036835008.

The previous prime is 12036834991. The next prime is 12036835021. The reversal of 12036835009 is 90053863021.

12036835009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6103984384 + 5932850625 = 78128^2 + 77025^2 .

It is an emirp because it is prime and its reverse (90053863021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12036835009 - 2⁹ = 12036834497 is a prime.

It is not a weakly prime, because it can be changed into another prime (12036835409) 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, 6018417504 + 6018417505.

It is an arithmetic number, because the mean of its divisors is an integer number (6018417505).

Almost surely, 2^12036835009 is an apocalyptic number.

It is an amenable number.

12036835009 is a deficient number, since it is larger than the sum of its proper divisors (1).

12036835009 is an equidigital number, since it uses as much as digits as its factorization.

12036835009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 12036835009 in words is "twelve billion, thirty-six million, eight hundred thirty-five thousand, nine".