12231103 has 4 divisors (see below), whose sum is σ = 12238128. Its totient is φ = 12224080.

The previous prime is 12231083. The next prime is 12231133. The reversal of 12231103 is 30113221.

12231103 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12231103 - 2¹³ = 12222911 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 (12231133) 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, 1275 + ... + 5107.

It is an arithmetic number, because the mean of its divisors is an integer number (3059532).

Almost surely, 2^12231103 is an apocalyptic number.

12231103 is a deficient number, since it is larger than the sum of its proper divisors (7025).

12231103 is an equidigital number, since it uses as much as digits as its factorization.

12231103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12231103 is about 3497.2993866697. The cubic root of 12231103 is about 230.4032183413.

Adding to 12231103 its reverse (30113221), we get a palindrome (42344324).

The spelling of 12231103 in words is "twelve million, two hundred thirty-one thousand, one hundred three".