202212010021 has 8 divisors (see below), whose sum is σ = 231316851584. Its totient is φ = 173161521360.

The previous prime is 202212009997. The next prime is 202212010031. The reversal of 202212010021 is 120010212202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 202212010021 - 2⁹ = 202212009509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202212009983 and 202212010010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202212010031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13580250 + ... + 13595131.

It is an arithmetic number, because the mean of its divisors is an integer number (28914606448).

Almost surely, 2^202212010021 is an apocalyptic number.

It is an amenable number.

202212010021 is a deficient number, since it is larger than the sum of its proper divisors (29104841563).

202212010021 is a wasteful number, since it uses less digits than its factorization.

202212010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27176451.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202212010021 its reverse (120010212202), we get a palindrome (322222222223).

The spelling of 202212010021 in words is "two hundred two billion, two hundred twelve million, ten thousand, twenty-one".