12103043443 has 4 divisors (see below), whose sum is σ = 12116214160. Its totient is φ = 12089872728.

The previous prime is 12103043441. The next prime is 12103043479. The reversal of 12103043443 is 34434030121.

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

It is a cyclic number.

It is not a de Polignac number, because 12103043443 - 2¹ = 12103043441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103043441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6583980 + ... + 6585817.

It is an arithmetic number, because the mean of its divisors is an integer number (3029053540).

Almost surely, 2^12103043443 is an apocalyptic number.

12103043443 is a deficient number, since it is larger than the sum of its proper divisors (13170717).

12103043443 is an equidigital number, since it uses as much as digits as its factorization.

12103043443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13170716.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12103043443 its reverse (34434030121), we get a palindrome (46537073564).

The spelling of 12103043443 in words is "twelve billion, one hundred three million, forty-three thousand, four hundred forty-three".