12122303123 has 4 divisors (see below), whose sum is σ = 13854060720. Its totient is φ = 10390545528.

The previous prime is 12122303119. The next prime is 12122303159. The reversal of 12122303123 is 32130322121.

12122303123 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.

It is a cyclic number.

It is not a de Polignac number, because 12122303123 - 2² = 12122303119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12122303095 and 12122303104.

It is not an unprimeable number, because it can be changed into a prime (12122303113) 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, 865878788 + ... + 865878801.

It is an arithmetic number, because the mean of its divisors is an integer number (3463515180).

Almost surely, 2^12122303123 is an apocalyptic number.

12122303123 is a deficient number, since it is larger than the sum of its proper divisors (1731757597).

12122303123 is an equidigital number, since it uses as much as digits as its factorization.

12122303123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731757596.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12122303123 its reverse (32130322121), we get a palindrome (44252625244).

The spelling of 12122303123 in words is "twelve billion, one hundred twenty-two million, three hundred three thousand, one hundred twenty-three".