212133110033 has 4 divisors (see below), whose sum is σ = 228451041588. Its totient is φ = 195815178480.

The previous prime is 212133110027. The next prime is 212133110053. The reversal of 212133110033 is 330011331212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24810345169 + 187322764864 = 157513^2 + 432808^2 .

It is a cyclic number.

It is not a de Polignac number, because 212133110033 - 2¹⁴ = 212133093649 is a prime.

It is a super-2 number, since 2×212133110033² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212133109987 and 212133110014.

It is not an unprimeable number, because it can be changed into a prime (212133110053) 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, 8158965758 + ... + 8158965783.

It is an arithmetic number, because the mean of its divisors is an integer number (57112760397).

Almost surely, 2^212133110033 is an apocalyptic number.

It is an amenable number.

212133110033 is a deficient number, since it is larger than the sum of its proper divisors (16317931555).

212133110033 is a wasteful number, since it uses less digits than its factorization.

212133110033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16317931554.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 212133110033 its reverse (330011331212), we get a palindrome (542144441245).

The spelling of 212133110033 in words is "two hundred twelve billion, one hundred thirty-three million, one hundred ten thousand, thirty-three".