12103203 has 16 divisors (see below), whose sum is σ = 18498816. Its totient is φ = 6895200.

The previous prime is 12103163. The next prime is 12103207. The reversal of 12103203 is 30230121.

It is a happy number.

12103203 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12103203 - 2⁶ = 12103139 is a prime.

12103203 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (12103207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8653 + ... + 9953.

It is an arithmetic number, because the mean of its divisors is an integer number (1156176).

Almost surely, 2^12103203 is an apocalyptic number.

12103203 is a deficient number, since it is larger than the sum of its proper divisors (6395613).

12103203 is a wasteful number, since it uses less digits than its factorization.

12103203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 12103203 is about 3478.9657946005. The cubic root of 12103203 is about 229.5972978493.

Adding to 12103203 its reverse (30230121), we get a palindrome (42333324).

The spelling of 12103203 in words is "twelve million, one hundred three thousand, two hundred three".