202212324021 has 8 divisors (see below), whose sum is σ = 270793797280. Its totient is φ = 134219533392.

The previous prime is 202212323993. The next prime is 202212324073. The reversal of 202212324021 is 120423212202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202212324021 - 2⁷ = 202212323893 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 (202212324121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147169855 + ... + 147171228.

It is an arithmetic number, because the mean of its divisors is an integer number (33849224660).

Almost surely, 2^202212324021 is an apocalyptic number.

It is an amenable number.

202212324021 is a deficient number, since it is larger than the sum of its proper divisors (68581473259).

202212324021 is a wasteful number, since it uses less digits than its factorization.

202212324021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294341315.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 202212324021 its reverse (120423212202), we get a palindrome (322635536223).

The spelling of 202212324021 in words is "two hundred two billion, two hundred twelve million, three hundred twenty-four thousand, twenty-one".