212133000133 has 8 divisors (see below), whose sum is σ = 217321395480. Its totient is φ = 206945291520.

The previous prime is 212133000109. The next prime is 212133000139. The reversal of 212133000133 is 331000331212.

It can be written as a sum of positive squares in 4 ways, for example, as 22231406404 + 189901593729 = 149102^2 + 435777^2 .

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 212133000133 - 2⁹ = 212132999621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212133000133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212133000139) 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, 483913 + ... + 811441.

It is an arithmetic number, because the mean of its divisors is an integer number (27165174435).

Almost surely, 2^212133000133 is an apocalyptic number.

It is an amenable number.

212133000133 is a deficient number, since it is larger than the sum of its proper divisors (5188395347).

212133000133 is a wasteful number, since it uses less digits than its factorization.

212133000133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343367.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 212133000133 its reverse (331000331212), we get a palindrome (543133331345).

The spelling of 212133000133 in words is "two hundred twelve billion, one hundred thirty-three million, one hundred thirty-three", and thus it is an aban number.