12444781103 has 2 divisors, whose sum is σ = 12444781104. Its totient is φ = 12444781102.

The previous prime is 12444781093. The next prime is 12444781109. The reversal of 12444781103 is 30118744421.

12444781103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12444781103 - 2⁸ = 12444780847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12444781109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6222390551 + 6222390552.

It is an arithmetic number, because the mean of its divisors is an integer number (6222390552).

Almost surely, 2^12444781103 is an apocalyptic number.

12444781103 is a deficient number, since it is larger than the sum of its proper divisors (1).

12444781103 is an equidigital number, since it uses as much as digits as its factorization.

12444781103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 12444781103 in words is "twelve billion, four hundred forty-four million, seven hundred eighty-one thousand, one hundred three".