12312203 has 8 divisors (see below), whose sum is σ = 12537840. Its totient is φ = 12088800.

The previous prime is 12312197. The next prime is 12312217. The reversal of 12312203 is 30221321.

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 12312203 - 2¹⁴ = 12295819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12312263) 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, 13601 + ... + 14477.

It is an arithmetic number, because the mean of its divisors is an integer number (1567230).

Almost surely, 2^12312203 is an apocalyptic number.

12312203 is a deficient number, since it is larger than the sum of its proper divisors (225637).

12312203 is a wasteful number, since it uses less digits than its factorization.

12312203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117.

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

The square root of 12312203 is about 3508.8748909016. The cubic root of 12312203 is about 230.9113369498.

Adding to 12312203 its reverse (30221321), we get a palindrome (42533524).

The spelling of 12312203 in words is "twelve million, three hundred twelve thousand, two hundred three".