12123133103 has 16 divisors (see below), whose sum is σ = 12810837120. Its totient is φ = 11440499616.

The previous prime is 12123133097. The next prime is 12123133123. The reversal of 12123133103 is 30133132121.

12123133103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12123133103 - 2¹⁰ = 12123132079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123133123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7035200 + ... + 7036922.

It is an arithmetic number, because the mean of its divisors is an integer number (800677320).

Almost surely, 2^12123133103 is an apocalyptic number.

12123133103 is a deficient number, since it is larger than the sum of its proper divisors (687704017).

12123133103 is a wasteful number, since it uses less digits than its factorization.

12123133103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12123133103 its reverse (30133132121), we get a palindrome (42256265224).

The spelling of 12123133103 in words is "twelve billion, one hundred twenty-three million, one hundred thirty-three thousand, one hundred three".