212033213203321 has 4 divisors (see below), whose sum is σ = 212067617430352. Its totient is φ = 211998808976292.

The previous prime is 212033213203309. The next prime is 212033213203351. The reversal of 212033213203321 is 123302312330212.

It is a happy number.

212033213203321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212033213203321 - 2²⁷ = 212033078985593 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 212033213203321.

It is not an unprimeable number, because it can be changed into a prime (212033213203351) 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, 17202104271 + ... + 17202116596.

It is an arithmetic number, because the mean of its divisors is an integer number (53016904357588).

Almost surely, 2^{212033213203321} is an apocalyptic number.

It is an amenable number.

212033213203321 is a deficient number, since it is larger than the sum of its proper divisors (34404227031).

212033213203321 is an equidigital number, since it uses as much as digits as its factorization.

212033213203321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34404227030.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 212033213203321 its reverse (123302312330212), we get a palindrome (335335525533533).

The spelling of 212033213203321 in words is "two hundred twelve trillion, thirty-three billion, two hundred thirteen million, two hundred three thousand, three hundred twenty-one".