212311112133 has 8 divisors (see below), whose sum is σ = 299733334848. Its totient is φ = 133214815424.

The previous prime is 212311112131. The next prime is 212311112191. The reversal of 212311112133 is 331211113212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212311112133 - 2¹ = 212311112131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212311112131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2081481441 + ... + 2081481542.

It is an arithmetic number, because the mean of its divisors is an integer number (37466666856).

Almost surely, 2^212311112133 is an apocalyptic number.

It is an amenable number.

212311112133 is a deficient number, since it is larger than the sum of its proper divisors (87422222715).

212311112133 is a wasteful number, since it uses less digits than its factorization.

212311112133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4162963003.

The product of its digits is 216, while the sum is 21.

Adding to 212311112133 its reverse (331211113212), we get a palindrome (543522225345).

The spelling of 212311112133 in words is "two hundred twelve billion, three hundred eleven million, one hundred twelve thousand, one hundred thirty-three".