12123130204 has 24 divisors (see below), whose sum is σ = 21360311280. Its totient is φ = 6020292096.

The previous prime is 12123130189. The next prime is 12123130207. The reversal of 12123130204 is 40203132121.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 449452 + ... + 475660.

It is an arithmetic number, because the mean of its divisors is an integer number (890012970).

Almost surely, 2^12123130204 is an apocalyptic number.

It is an amenable number.

12123130204 is a deficient number, since it is larger than the sum of its proper divisors (9237181076).

12123130204 is a wasteful number, since it uses less digits than its factorization.

12123130204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26997 (or 26995 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12123130204 its reverse (40203132121), we get a palindrome (52326262325).

The spelling of 12123130204 in words is "twelve billion, one hundred twenty-three million, one hundred thirty thousand, two hundred four".