12027383009 has 4 divisors (see below), whose sum is σ = 12072094740. Its totient is φ = 11982671280.

The previous prime is 12027383003. The next prime is 12027383041. The reversal of 12027383009 is 90038372021.

12027383009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5939014225 + 6088368784 = 77065^2 + 78028^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12027383009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12027383009.

It is not an unprimeable number, because it can be changed into a prime (12027383003) 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 3 ways as a sum of consecutive naturals, for example, 22355462 + ... + 22355999.

It is an arithmetic number, because the mean of its divisors is an integer number (3018023685).

Almost surely, 2^12027383009 is an apocalyptic number.

It is an amenable number.

12027383009 is a deficient number, since it is larger than the sum of its proper divisors (44711731).

12027383009 is an equidigital number, since it uses as much as digits as its factorization.

12027383009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44711730.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 12027383009 in words is "twelve billion, twenty-seven million, three hundred eighty-three thousand, nine".