12123123003 has 12 divisors (see below), whose sum is σ = 17512996800. Its totient is φ = 8081242416.

The previous prime is 12123122983. The next prime is 12123123091. The reversal of 12123123003 is 30032132121.

12123123003 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 12123123003 - 2⁶ = 12123122939 is a prime.

It is a super-2 number, since 2×12123123003² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12123124003) 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 11 ways as a sum of consecutive naturals, for example, 28825 + ... + 158357.

It is an arithmetic number, because the mean of its divisors is an integer number (1459416400).

Almost surely, 2^12123123003 is an apocalyptic number.

12123123003 is a deficient number, since it is larger than the sum of its proper divisors (5389873797).

12123123003 is a wasteful number, since it uses less digits than its factorization.

12123123003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139938 (or 139935 counting only the distinct ones).

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

Adding to 12123123003 its reverse (30032132121), we get a palindrome (42155255124).

The spelling of 12123123003 in words is "twelve billion, one hundred twenty-three million, one hundred twenty-three thousand, three".