12044440103 has 4 divisors (see below), whose sum is σ = 12121156440. Its totient is φ = 11967723768.

The previous prime is 12044440039. The next prime is 12044440117. The reversal of 12044440103 is 30104444021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30104444021 = 97 ⋅310355093.

It is a cyclic number.

It is not a de Polignac number, because 12044440103 - 2⁶ = 12044440039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12044440123) 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 in 3 ways as a sum of consecutive naturals, for example, 38357933 + ... + 38358246.

It is an arithmetic number, because the mean of its divisors is an integer number (3030289110).

Almost surely, 2^12044440103 is an apocalyptic number.

12044440103 is a deficient number, since it is larger than the sum of its proper divisors (76716337).

12044440103 is an equidigital number, since it uses as much as digits as its factorization.

12044440103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76716336.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12044440103 its reverse (30104444021), we get a palindrome (42148884124).

The spelling of 12044440103 in words is "twelve billion, forty-four million, four hundred forty thousand, one hundred three".