12203013123 has 112 divisors (see below), whose sum is σ = 21439938240. Its totient is φ = 6799085568.

The previous prime is 12203013089. The next prime is 12203013127. The reversal of 12203013123 is 32131030221.

12203013123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12203013123 - 2⁹ = 12203012611 is a prime.

It is a super-2 number, since 2×12203013123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12203013096 and 12203013105.

It is not an unprimeable number, because it can be changed into a prime (12203013127) 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 111 ways as a sum of consecutive naturals, for example, 44054061 + ... + 44054337.

It is an arithmetic number, because the mean of its divisors is an integer number (191428020).

Almost surely, 2^12203013123 is an apocalyptic number.

12203013123 is a deficient number, since it is larger than the sum of its proper divisors (9236925117).

12203013123 is an frugal number, since it uses more digits than its factorization.

12203013123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12203013123 its reverse (32131030221), we get a palindrome (44334043344).

The spelling of 12203013123 in words is "twelve billion, two hundred three million, thirteen thousand, one hundred twenty-three".