212320002033 has 20 divisors (see below), whose sum is σ = 317198501620. Its totient is φ = 141533674272.

The previous prime is 212320002017. The next prime is 212320002061. The reversal of 212320002033 is 330200023212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18378411489 + 193941590544 = 135567^2 + 440388^2 .

It is not a de Polignac number, because 212320002033 - 2⁴ = 212320002017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212320001997 and 212320002015.

It is not an unprimeable number, because it can be changed into a prime (212320002133) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 811803 + ... + 1040991.

It is an arithmetic number, because the mean of its divisors is an integer number (15859925081).

Almost surely, 2^212320002033 is an apocalyptic number.

It is an amenable number.

212320002033 is a deficient number, since it is larger than the sum of its proper divisors (104878499587).

212320002033 is a wasteful number, since it uses less digits than its factorization.

212320002033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240638 (or 240629 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 212320002033 its reverse (330200023212), we get a palindrome (542520025245).

The spelling of 212320002033 in words is "two hundred twelve billion, three hundred twenty million, two thousand, thirty-three".