12203033123 has 4 divisors (see below), whose sum is σ = 12203385960. Its totient is φ = 12202680288.

The previous prime is 12203033113. The next prime is 12203033149. The reversal of 12203033123 is 32133030221.

12203033123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32133030221 = 32869 ⋅977609.

It is a cyclic number.

It is not a de Polignac number, because 12203033123 - 2⁴ = 12203033107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12203033095 and 12203033104.

It is not an unprimeable number, because it can be changed into a prime (12203033113) 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 3 ways as a sum of consecutive naturals, for example, 118118 + ... + 195851.

It is an arithmetic number, because the mean of its divisors is an integer number (3050846490).

Almost surely, 2^12203033123 is an apocalyptic number.

12203033123 is a deficient number, since it is larger than the sum of its proper divisors (352837).

12203033123 is an equidigital number, since it uses as much as digits as its factorization.

12203033123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352836.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12203033123 its reverse (32133030221), we get a palindrome (44336063344).

The spelling of 12203033123 in words is "twelve billion, two hundred three million, thirty-three thousand, one hundred twenty-three".