12111333133 has 16 divisors (see below), whose sum is σ = 12805056000. Its totient is φ = 11436388992.

The previous prime is 12111333121. The next prime is 12111333163. The reversal of 12111333133 is 33133311121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12111333133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111333163) 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, 2558713 + ... + 2563441.

It is an arithmetic number, because the mean of its divisors is an integer number (800316000).

Almost surely, 2^12111333133 is an apocalyptic number.

It is an amenable number.

12111333133 is a deficient number, since it is larger than the sum of its proper divisors (693722867).

12111333133 is a wasteful number, since it uses less digits than its factorization.

12111333133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6684.

The product of its digits is 486, while the sum is 22.

Adding to 12111333133 its reverse (33133311121), we get a palindrome (45244644254).

The spelling of 12111333133 in words is "twelve billion, one hundred eleven million, three hundred thirty-three thousand, one hundred thirty-three".