12044122309 has 2 divisors, whose sum is σ = 12044122310. Its totient is φ = 12044122308.

The previous prime is 12044122297. The next prime is 12044122357. The reversal of 12044122309 is 90322144021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12007338084 + 36784225 = 109578^2 + 6065^2 .

It is a cyclic number.

It is not a de Polignac number, because 12044122309 - 2⁹ = 12044121797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12044122009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6022061154 + 6022061155.

It is an arithmetic number, because the mean of its divisors is an integer number (6022061155).

Almost surely, 2^12044122309 is an apocalyptic number.

It is an amenable number.

12044122309 is a deficient number, since it is larger than the sum of its proper divisors (1).

12044122309 is an equidigital number, since it uses as much as digits as its factorization.

12044122309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 12044122309 in words is "twelve billion, forty-four million, one hundred twenty-two thousand, three hundred nine".