12133423042 has 64 divisors (see below), whose sum is σ = 20709561600. Its totient is φ = 5292161280.

The previous prime is 12133423021. The next prime is 12133423051. The reversal of 12133423042 is 24032433121.

It is a super-2 number, since 2×12133423042² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12133422998 and 12133423016.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13834708 + ... + 13835584.

It is an arithmetic number, because the mean of its divisors is an integer number (323586900).

Almost surely, 2^12133423042 is an apocalyptic number.

12133423042 is a deficient number, since it is larger than the sum of its proper divisors (8576138558).

12133423042 is a wasteful number, since it uses less digits than its factorization.

12133423042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12133423042 its reverse (24032433121), we get a palindrome (36165856163).

The spelling of 12133423042 in words is "twelve billion, one hundred thirty-three million, four hundred twenty-three thousand, forty-two".