12045203 has 4 divisors (see below), whose sum is σ = 12325368. Its totient is φ = 11765040.

The previous prime is 12045181. The next prime is 12045217. The reversal of 12045203 is 30254021.

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 12045203 - 2⁶ = 12045139 is a prime.

It is a super-2 number, since 2×12045203² = 290173830622418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12045223) 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, 140018 + ... + 140103.

It is an arithmetic number, because the mean of its divisors is an integer number (3081342).

Almost surely, 2^12045203 is an apocalyptic number.

12045203 is a deficient number, since it is larger than the sum of its proper divisors (280165).

12045203 is an equidigital number, since it uses as much as digits as its factorization.

12045203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280164.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 12045203 is about 3470.6199734341. The cubic root of 12045203 is about 229.2299578501.

Adding to 12045203 its reverse (30254021), we get a palindrome (42299224).

The spelling of 12045203 in words is "twelve million, forty-five thousand, two hundred three".