12123003203 has 2 divisors, whose sum is σ = 12123003204. Its totient is φ = 12123003202.

The previous prime is 12123003173. The next prime is 12123003227. The reversal of 12123003203 is 30230032121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12123003203 - 2¹² = 12122999107 is a prime.

It is not a weakly prime, because it can be changed into another prime (12123053203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061501601 + 6061501602.

It is an arithmetic number, because the mean of its divisors is an integer number (6061501602).

Almost surely, 2^12123003203 is an apocalyptic number.

12123003203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12123003203 is an equidigital number, since it uses as much as digits as its factorization.

12123003203 is an evil number, because the sum of its binary digits is even.

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

Adding to 12123003203 its reverse (30230032121), we get a palindrome (42353035324).

The spelling of 12123003203 in words is "twelve billion, one hundred twenty-three million, three thousand, two hundred three".