212003021233 has 4 divisors (see below), whose sum is σ = 212012615920. Its totient is φ = 211993426548.

The previous prime is 212003021221. The next prime is 212003021239. The reversal of 212003021233 is 332120300212.

212003021233 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 212003021233 - 2²⁵ = 211969466801 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 212003021233.

It is not an unprimeable number, because it can be changed into a prime (212003021239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4764123 + ... + 4808416.

It is an arithmetic number, because the mean of its divisors is an integer number (53003153980).

Almost surely, 2^212003021233 is an apocalyptic number.

It is an amenable number.

212003021233 is a deficient number, since it is larger than the sum of its proper divisors (9594687).

212003021233 is an equidigital number, since it uses as much as digits as its factorization.

212003021233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9594686.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212003021233 its reverse (332120300212), we get a palindrome (544123321445).

The spelling of 212003021233 in words is "two hundred twelve billion, three million, twenty-one thousand, two hundred thirty-three".