12003112133 has 4 divisors (see below), whose sum is σ = 12003407520. Its totient is φ = 12002816748.

The previous prime is 12003112111. The next prime is 12003112139. The reversal of 12003112133 is 33121130021.

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 not a de Polignac number, because 12003112133 - 2²⁶ = 11936003269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003112139) 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, 74723 + ... + 172016.

It is an arithmetic number, because the mean of its divisors is an integer number (3000851880).

Almost surely, 2^12003112133 is an apocalyptic number.

It is an amenable number.

12003112133 is a deficient number, since it is larger than the sum of its proper divisors (295387).

12003112133 is an equidigital number, since it uses as much as digits as its factorization.

12003112133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295386.

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

Adding to 12003112133 its reverse (33121130021), we get a palindrome (45124242154).

The spelling of 12003112133 in words is "twelve billion, three million, one hundred twelve thousand, one hundred thirty-three".