212031030033 has 6 divisors (see below), whose sum is σ = 306267043394. Its totient is φ = 141354020016.

The previous prime is 212031030019. The next prime is 212031030049. The reversal of 212031030033 is 330030130212.

212031030033 is a `hidden beast` number, since 2 + 1 + 20 + 310 + 300 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 209350172304 + 2680857729 = 457548^2 + 51777^2 .

It is not a de Polignac number, because 212031030033 - 2⁹ = 212031029521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212031029988 and 212031030015.

It is not an unprimeable number, because it can be changed into a prime (212031030053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11779501660 + ... + 11779501677.

Almost surely, 2^212031030033 is an apocalyptic number.

It is an amenable number.

212031030033 is a deficient number, since it is larger than the sum of its proper divisors (94236013361).

212031030033 is a wasteful number, since it uses less digits than its factorization.

212031030033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23559003343 (or 23559003340 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 212031030033 its reverse (330030130212), we get a palindrome (542061160245).

The spelling of 212031030033 in words is "two hundred twelve billion, thirty-one million, thirty thousand, thirty-three".