12030303 has 4 divisors (see below), whose sum is σ = 16040408. Its totient is φ = 8020200.

The previous prime is 12030301. The next prime is 12030323. The reversal of 12030303 is 30303021.

It is a happy number.

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

It is not a de Polignac number, because 12030303 - 2¹ = 12030301 is a prime.

It is a Duffinian number.

12030303 is a modest number, since divided by 30303 gives 12 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030301) 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, 2005048 + ... + 2005053.

It is an arithmetic number, because the mean of its divisors is an integer number (4010102).

Almost surely, 2^12030303 is an apocalyptic number.

12030303 is a deficient number, since it is larger than the sum of its proper divisors (4010105).

12030303 is an equidigital number, since it uses as much as digits as its factorization.

12030303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010104.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 12030303 is about 3468.4727186472. The cubic root of 12030303 is about 229.1353991647.

Adding to 12030303 its reverse (30303021), we get a palindrome (42333324).

The spelling of 12030303 in words is "twelve million, thirty thousand, three hundred three".