12044331440221 has 2 divisors, whose sum is σ = 12044331440222. Its totient is φ = 12044331440220.

The previous prime is 12044331440201. The next prime is 12044331440263. The reversal of 12044331440221 is 12204413344021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8079175227321 + 3965156212900 = 2842389^2 + 1991270^2 .

It is a cyclic number.

It is not a de Polignac number, because 12044331440221 - 2²⁷ = 12044197222493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12044331440201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6022165720110 + 6022165720111.

It is an arithmetic number, because the mean of its divisors is an integer number (6022165720111).

Almost surely, 2^{12044331440221} is an apocalyptic number.

It is an amenable number.

12044331440221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12044331440221 is an equidigital number, since it uses as much as digits as its factorization.

12044331440221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 12044331440221 its reverse (12204413344021), we get a palindrome (24248744784242).

The spelling of 12044331440221 in words is "twelve trillion, forty-four billion, three hundred thirty-one million, four hundred forty thousand, two hundred twenty-one".