12003113113 has 4 divisors (see below), whose sum is σ = 12003349120. Its totient is φ = 12002877108.

The previous prime is 12003113093. The next prime is 12003113173. The reversal of 12003113113 is 31131130021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12003113113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12003113173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6753 + ... + 155086.

It is an arithmetic number, because the mean of its divisors is an integer number (3000837280).

Almost surely, 2^12003113113 is an apocalyptic number.

It is an amenable number.

12003113113 is a deficient number, since it is larger than the sum of its proper divisors (236007).

12003113113 is an equidigital number, since it uses as much as digits as its factorization.

12003113113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236006.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 12003113113 its reverse (31131130021), we get a palindrome (43134243134).

The spelling of 12003113113 in words is "twelve billion, three million, one hundred thirteen thousand, one hundred thirteen".