12133130208 has 24 divisors (see below), whose sum is σ = 31849467048. Its totient is φ = 4044376704.

The previous prime is 12133130203. The next prime is 12133130209. The reversal of 12133130208 is 80203133121.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133130203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63193291 + ... + 63193482.

It is an arithmetic number, because the mean of its divisors is an integer number (1327061127).

Almost surely, 2^12133130208 is an apocalyptic number.

It is an amenable number.

12133130208 is an abundant number, since it is smaller than the sum of its proper divisors (19716336840).

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

12133130208 is a wasteful number, since it uses less digits than its factorization.

12133130208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126386786 (or 126386778 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12133130208 its reverse (80203133121), we get a palindrome (92336263329).

The spelling of 12133130208 in words is "twelve billion, one hundred thirty-three million, one hundred thirty thousand, two hundred eight".