202212000021 has 8 divisors (see below), whose sum is σ = 270893801824. Its totient is φ = 134169099120.

The previous prime is 202211999989. The next prime is 202212000037. The reversal of 202212000021 is 120000212202.

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

It is not a de Polignac number, because 202212000021 - 2⁵ = 202211999989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202211999970 and 202212000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202212000821) 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, 159724486 + ... + 159725751.

It is an arithmetic number, because the mean of its divisors is an integer number (33861725228).

Almost surely, 2^202212000021 is an apocalyptic number.

It is an amenable number.

202212000021 is a deficient number, since it is larger than the sum of its proper divisors (68681801803).

202212000021 is a wasteful number, since it uses less digits than its factorization.

202212000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319450451.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 202212000021 its reverse (120000212202), we get a palindrome (322212212223).

The spelling of 202212000021 in words is "two hundred two billion, two hundred twelve million, twenty-one", and thus it is an aban number.