212332021223 has 4 divisors (see below), whose sum is σ = 242665167120. Its totient is φ = 181998875328.

The previous prime is 212332021199. The next prime is 212332021229. The reversal of 212332021223 is 322120233212.

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 212332021223 - 2⁶ = 212332021159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212332021229) 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, 15166572938 + ... + 15166572951.

It is an arithmetic number, because the mean of its divisors is an integer number (60666291780).

Almost surely, 2^212332021223 is an apocalyptic number.

212332021223 is a deficient number, since it is larger than the sum of its proper divisors (30333145897).

212332021223 is an equidigital number, since it uses as much as digits as its factorization.

212332021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30333145896.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 212332021223 its reverse (322120233212), we get a palindrome (534452254435).

The spelling of 212332021223 in words is "two hundred twelve billion, three hundred thirty-two million, twenty-one thousand, two hundred twenty-three".