12123130203 has 24 divisors (see below), whose sum is σ = 17597558160. Its totient is φ = 8042310720.

The previous prime is 12123130189. The next prime is 12123130207. The reversal of 12123130203 is 30203132121.

It is not a de Polignac number, because 12123130203 - 2¹² = 12123126107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12123130207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1945633 + ... + 1951853.

It is an arithmetic number, because the mean of its divisors is an integer number (733231590).

Almost surely, 2^12123130203 is an apocalyptic number.

12123130203 is a deficient number, since it is larger than the sum of its proper divisors (5474427957).

12123130203 is a wasteful number, since it uses less digits than its factorization.

12123130203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7259 (or 7256 counting only the distinct ones).

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

Adding to 12123130203 its reverse (30203132121), we get a palindrome (42326262324).

The spelling of 12123130203 in words is "twelve billion, one hundred twenty-three million, one hundred thirty thousand, two hundred three".