12133422042 has 48 divisors (see below), whose sum is σ = 28502914752. Its totient is φ = 3433026240.

The previous prime is 12133422031. The next prime is 12133422071. The reversal of 12133422042 is 24022433121.

It is a happy number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 170059 + ... + 230622.

It is an arithmetic number, because the mean of its divisors is an integer number (593810724).

Almost surely, 2^12133422042 is an apocalyptic number.

12133422042 is an abundant number, since it is smaller than the sum of its proper divisors (16369492710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12133422042 is a wasteful number, since it uses less digits than its factorization.

12133422042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400803 (or 400796 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12133422042 its reverse (24022433121), we get a palindrome (36155855163).

The spelling of 12133422042 in words is "twelve billion, one hundred thirty-three million, four hundred twenty-two thousand, forty-two".