212200133 has 8 divisors (see below), whose sum is σ = 217567896. Its totient is φ = 206841600.

The previous prime is 212200127. The next prime is 212200147. The reversal of 212200133 is 331002212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14010049 + 198190084 = 3743^2 + 14078^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212200133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212200433) 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, 82913 + ... + 85433.

It is an arithmetic number, because the mean of its divisors is an integer number (27195987).

Almost surely, 2^212200133 is an apocalyptic number.

It is an amenable number.

212200133 is a deficient number, since it is larger than the sum of its proper divisors (5367763).

212200133 is a wasteful number, since it uses less digits than its factorization.

212200133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 212200133 is about 14567.0907527893. The cubic root of 212200133 is about 596.4607687489.

Adding to 212200133 its reverse (331002212), we get a palindrome (543202345).

The spelling of 212200133 in words is "two hundred twelve million, two hundred thousand, one hundred thirty-three".