12321030203 has 2 divisors, whose sum is σ = 12321030204. Its totient is φ = 12321030202.

The previous prime is 12321030179. The next prime is 12321030221. The reversal of 12321030203 is 30203012321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12321030203 - 2⁸ = 12321029947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12321030223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160515101 + 6160515102.

It is an arithmetic number, because the mean of its divisors is an integer number (6160515102).

Almost surely, 2^12321030203 is an apocalyptic number.

12321030203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321030203 is an equidigital number, since it uses as much as digits as its factorization.

12321030203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12321030203 its reverse (30203012321), we get a palindrome (42524042524).

The spelling of 12321030203 in words is "twelve billion, three hundred twenty-one million, thirty thousand, two hundred three".