12133320134 has 32 divisors (see below), whose sum is σ = 20482447104. Its totient is φ = 5348581920.

The previous prime is 12133320119. The next prime is 12133320137. The reversal of 12133320134 is 43102333121.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133320137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398537 + ... + 427899.

It is an arithmetic number, because the mean of its divisors is an integer number (640076472).

Almost surely, 2^12133320134 is an apocalyptic number.

12133320134 is a deficient number, since it is larger than the sum of its proper divisors (8349126970).

12133320134 is a wasteful number, since it uses less digits than its factorization.

12133320134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30092.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12133320134 its reverse (43102333121), we get a palindrome (55235653255).

The spelling of 12133320134 in words is "twelve billion, one hundred thirty-three million, three hundred twenty thousand, one hundred thirty-four".