12031144441 has 2 divisors, whose sum is σ = 12031144442. Its totient is φ = 12031144440.

The previous prime is 12031144399. The next prime is 12031144453. The reversal of 12031144441 is 14444113021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12016544400 + 14600041 = 109620^2 + 3821^2 .

It is a cyclic number.

It is not a de Polignac number, because 12031144441 - 2¹⁷ = 12031013369 is a prime.

It is not a weakly prime, because it can be changed into another prime (12031144841) 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, 6015572220 + 6015572221.

It is an arithmetic number, because the mean of its divisors is an integer number (6015572221).

Almost surely, 2^12031144441 is an apocalyptic number.

It is an amenable number.

12031144441 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031144441 is an equidigital number, since it uses as much as digits as its factorization.

12031144441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 12031144441 its reverse (14444113021), we get a palindrome (26475257462).

The spelling of 12031144441 in words is "twelve billion, thirty-one million, one hundred forty-four thousand, four hundred forty-one".