12003123113 has 8 divisors (see below), whose sum is σ = 12651309000. Its totient is φ = 11370556288.

The previous prime is 12003123053. The next prime is 12003123127. The reversal of 12003123113 is 31132130021.

It can be written as a sum of positive squares in 4 ways, for example, as 2707849369 + 9295273744 = 52037^2 + 96412^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12003123113 - 2²⁴ = 11986345897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12003123091 and 12003123100.

It is not an unprimeable number, because it can be changed into a prime (12003122113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3903188 + ... + 3906261.

It is an arithmetic number, because the mean of its divisors is an integer number (1581413625).

Almost surely, 2^12003123113 is an apocalyptic number.

It is an amenable number.

12003123113 is a deficient number, since it is larger than the sum of its proper divisors (648185887).

12003123113 is an equidigital number, since it uses as much as digits as its factorization.

12003123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7809531.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12003123113 its reverse (31132130021), we get a palindrome (43135253134).

The spelling of 12003123113 in words is "twelve billion, three million, one hundred twenty-three thousand, one hundred thirteen".