12321310203 has 12 divisors (see below), whose sum is σ = 18133249680. Its totient is φ = 8059221456.

The previous prime is 12321310181. The next prime is 12321310207. The reversal of 12321310203 is 30201312321.

12321310203 is a `hidden beast` number, since 12 + 321 + 310 + 20 + 3 = 666.

It is not a de Polignac number, because 12321310203 - 2⁸ = 12321309947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12321310207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12914943 + ... + 12915896.

It is an arithmetic number, because the mean of its divisors is an integer number (1511104140).

Almost surely, 2^12321310203 is an apocalyptic number.

12321310203 is a deficient number, since it is larger than the sum of its proper divisors (5811939477).

12321310203 is a wasteful number, since it uses less digits than its factorization.

12321310203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25830898 (or 25830895 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12321310203 its reverse (30201312321), we get a palindrome (42522622524).

The spelling of 12321310203 in words is "twelve billion, three hundred twenty-one million, three hundred ten thousand, two hundred three".