12030103 has 4 divisors (see below), whose sum is σ = 12175128. Its totient is φ = 11885080.

The previous prime is 12030089. The next prime is 12030119. The reversal of 12030103 is 30103021.

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 12030103 - 2⁵ = 12030071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12030103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72388 + ... + 72553.

It is an arithmetic number, because the mean of its divisors is an integer number (3043782).

Almost surely, 2^12030103 is an apocalyptic number.

12030103 is a deficient number, since it is larger than the sum of its proper divisors (145025).

12030103 is an equidigital number, since it uses as much as digits as its factorization.

12030103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145024.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 12030103 is about 3468.4438873939. The cubic root of 12030103 is about 229.1341293897.

Adding to 12030103 its reverse (30103021), we get a palindrome (42133124).

The spelling of 12030103 in words is "twelve million, thirty thousand, one hundred three".