12441021331 has 2 divisors, whose sum is σ = 12441021332. Its totient is φ = 12441021330.

The previous prime is 12441021323. The next prime is 12441021349. The reversal of 12441021331 is 13312014421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12441021331 - 2³ = 12441021323 is a prime.

It is a super-2 number, since 2×12441021331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12441021301) 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, 6220510665 + 6220510666.

It is an arithmetic number, because the mean of its divisors is an integer number (6220510666).

Almost surely, 2^12441021331 is an apocalyptic number.

12441021331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12441021331 is an equidigital number, since it uses as much as digits as its factorization.

12441021331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12441021331 its reverse (13312014421), we get a palindrome (25753035752).

The spelling of 12441021331 in words is "twelve billion, four hundred forty-one million, twenty-one thousand, three hundred thirty-one".