212033221133 has 4 divisors (see below), whose sum is σ = 212036920608. Its totient is φ = 212029521660.

The previous prime is 212033221109. The next prime is 212033221159. The reversal of 212033221133 is 331122330212.

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 212033221133 - 2⁶ = 212033221069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212033221099 and 212033221108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212033221033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1762391 + ... + 1878852.

It is an arithmetic number, because the mean of its divisors is an integer number (53009230152).

Almost surely, 2^212033221133 is an apocalyptic number.

It is an amenable number.

212033221133 is a deficient number, since it is larger than the sum of its proper divisors (3699475).

212033221133 is an equidigital number, since it uses as much as digits as its factorization.

212033221133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699474.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 212033221133 its reverse (331122330212), we get a palindrome (543155551345).

The spelling of 212033221133 in words is "two hundred twelve billion, thirty-three million, two hundred twenty-one thousand, one hundred thirty-three".