212133303233 has 4 divisors (see below), whose sum is σ = 212352676800. Its totient is φ = 211913929668.

The previous prime is 212133303223. The next prime is 212133303241. The reversal of 212133303233 is 332303331212.

It is a happy number.

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 212133303233 - 2⁶ = 212133303169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212133303223) 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, 109685333 + ... + 109687266.

It is an arithmetic number, because the mean of its divisors is an integer number (53088169200).

Almost surely, 2^212133303233 is an apocalyptic number.

It is an amenable number.

212133303233 is a deficient number, since it is larger than the sum of its proper divisors (219373567).

212133303233 is an equidigital number, since it uses as much as digits as its factorization.

212133303233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219373566.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 212133303233 its reverse (332303331212), we get a palindrome (544436634445).

The spelling of 212133303233 in words is "two hundred twelve billion, one hundred thirty-three million, three hundred three thousand, two hundred thirty-three".