12243003103 has 4 divisors (see below), whose sum is σ = 12247968280. Its totient is φ = 12238037928.

The previous prime is 12243003049. The next prime is 12243003131. The reversal of 12243003103 is 30130034221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12243003103 is a prime.

It is a super-2 number, since 2×12243003103² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243003133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2478888 + ... + 2483821.

It is an arithmetic number, because the mean of its divisors is an integer number (3061992070).

Almost surely, 2^12243003103 is an apocalyptic number.

12243003103 is a deficient number, since it is larger than the sum of its proper divisors (4965177).

12243003103 is an equidigital number, since it uses as much as digits as its factorization.

12243003103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4965176.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12243003103 its reverse (30130034221), we get a palindrome (42373037324).

The spelling of 12243003103 in words is "twelve billion, two hundred forty-three million, three thousand, one hundred three".