212321333203 has 4 divisors (see below), whose sum is σ = 242652952240. Its totient is φ = 181989714168.

The previous prime is 212321333183. The next prime is 212321333219. The reversal of 212321333203 is 302333123212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212321333203 - 2²⁵ = 212287778771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212321333293) 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, 15165809508 + ... + 15165809521.

It is an arithmetic number, because the mean of its divisors is an integer number (60663238060).

Almost surely, 2^212321333203 is an apocalyptic number.

212321333203 is a deficient number, since it is larger than the sum of its proper divisors (30331619037).

212321333203 is an equidigital number, since it uses as much as digits as its factorization.

212321333203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30331619036.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 212321333203 its reverse (302333123212), we get a palindrome (514654456415).

The spelling of 212321333203 in words is "two hundred twelve billion, three hundred twenty-one million, three hundred thirty-three thousand, two hundred three".