12044348021 has 2 divisors, whose sum is σ = 12044348022. Its totient is φ = 12044348020.

The previous prime is 12044348011. The next prime is 12044348027. The reversal of 12044348021 is 12084344021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7941304996 + 4103043025 = 89114^2 + 64055^2 .

It is a cyclic number.

It is not a de Polignac number, because 12044348021 - 2⁶ = 12044347957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12044348027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6022174010 + 6022174011.

It is an arithmetic number, because the mean of its divisors is an integer number (6022174011).

Almost surely, 2^12044348021 is an apocalyptic number.

It is an amenable number.

12044348021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12044348021 is an equidigital number, since it uses as much as digits as its factorization.

12044348021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 29.

The spelling of 12044348021 in words is "twelve billion, forty-four million, three hundred forty-eight thousand, twenty-one".