12442112133 has 80 divisors (see below), whose sum is σ = 20361873600. Its totient is φ = 6715906560.

The previous prime is 12442112117. The next prime is 12442112153. The reversal of 12442112133 is 33121124421.

It is not a de Polignac number, because 12442112133 - 2⁴ = 12442112117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442112153) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 14186691 + ... + 14187567.

It is an arithmetic number, because the mean of its divisors is an integer number (254523420).

Almost surely, 2^12442112133 is an apocalyptic number.

It is an amenable number.

12442112133 is a deficient number, since it is larger than the sum of its proper divisors (7919761467).

12442112133 is an equidigital number, since it uses as much as digits as its factorization.

12442112133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 927 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 12442112133 its reverse (33121124421), we get a palindrome (45563236554).

The spelling of 12442112133 in words is "twelve billion, four hundred forty-two million, one hundred twelve thousand, one hundred thirty-three".