12203330231 has 4 divisors (see below), whose sum is σ = 12205831200. Its totient is φ = 12200829264.

The previous prime is 12203330207. The next prime is 12203330263. The reversal of 12203330231 is 13203330221.

12203330231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12203330231 is a prime.

It is a super-2 number, since 2×12203330231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203339231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1243151 + ... + 1252928.

It is an arithmetic number, because the mean of its divisors is an integer number (3051457800).

Almost surely, 2^12203330231 is an apocalyptic number.

12203330231 is a deficient number, since it is larger than the sum of its proper divisors (2500969).

12203330231 is an equidigital number, since it uses as much as digits as its factorization.

12203330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500968.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12203330231 its reverse (13203330221), we get a palindrome (25406660452).

The spelling of 12203330231 in words is "twelve billion, two hundred three million, three hundred thirty thousand, two hundred thirty-one".