12003123203 has 2 divisors, whose sum is σ = 12003123204. Its totient is φ = 12003123202.

The previous prime is 12003123199. The next prime is 12003123211. The reversal of 12003123203 is 30232130021.

It is a weak prime.

It is an emirp because it is prime and its reverse (30232130021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12003123203 - 2² = 12003123199 is a prime.

It is not a weakly prime, because it can be changed into another prime (12003120203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001561601 + 6001561602.

It is an arithmetic number, because the mean of its divisors is an integer number (6001561602).

Almost surely, 2^12003123203 is an apocalyptic number.

12003123203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12003123203 is an equidigital number, since it uses as much as digits as its factorization.

12003123203 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 12003123203 its reverse (30232130021), we get a palindrome (42235253224).

The spelling of 12003123203 in words is "twelve billion, three million, one hundred twenty-three thousand, two hundred three".