12042232133 has 4 divisors (see below), whose sum is σ = 12076936320. Its totient is φ = 12007527948.

The previous prime is 12042232123. The next prime is 12042232141. The reversal of 12042232133 is 33123224021.

12042232133 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33123224021 = 197 ⋅168138193.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12042232133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12042232099 and 12042232108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042232123) 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, 17351573 + ... + 17352266.

It is an arithmetic number, because the mean of its divisors is an integer number (3019234080).

Almost surely, 2^12042232133 is an apocalyptic number.

It is an amenable number.

12042232133 is a deficient number, since it is larger than the sum of its proper divisors (34704187).

12042232133 is an equidigital number, since it uses as much as digits as its factorization.

12042232133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34704186.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12042232133 its reverse (33123224021), we get a palindrome (45165456154).

The spelling of 12042232133 in words is "twelve billion, forty-two million, two hundred thirty-two thousand, one hundred thirty-three".