12213203 has 8 divisors (see below), whose sum is σ = 12655440. Its totient is φ = 11777920.

The previous prime is 12213199. The next prime is 12213221. The reversal of 12213203 is 30231221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12213203 - 2² = 12213199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12213283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1976 + ... + 5322.

It is an arithmetic number, because the mean of its divisors is an integer number (1581930).

Almost surely, 2^12213203 is an apocalyptic number.

12213203 is a deficient number, since it is larger than the sum of its proper divisors (442237).

12213203 is an equidigital number, since it uses as much as digits as its factorization.

12213203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3477.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12213203 is about 3494.7393321963. The cubic root of 12213203 is about 230.2907664730.

Adding to 12213203 its reverse (30231221), we get a palindrome (42444424).

The spelling of 12213203 in words is "twelve million, two hundred thirteen thousand, two hundred three".