212220203 has 8 divisors (see below), whose sum is σ = 235917696. Its totient is φ = 189576000.

The previous prime is 212220191. The next prime is 212220247. The reversal of 212220203 is 302022212.

212220203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212220203 - 2¹² = 212216107 is a prime.

It is a super-2 number, since 2×212220203² = 90074829122722418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212229203) 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, 262898 + ... + 263703.

It is an arithmetic number, because the mean of its divisors is an integer number (29489712).

Almost surely, 2^212220203 is an apocalyptic number.

212220203 is a deficient number, since it is larger than the sum of its proper divisors (23697493).

212220203 is a wasteful number, since it uses less digits than its factorization.

212220203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526645.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 212220203 is about 14567.7796180475. The cubic root of 212220203 is about 596.4795726803.

Adding to 212220203 its reverse (302022212), we get a palindrome (514242415).

The spelling of 212220203 in words is "two hundred twelve million, two hundred twenty thousand, two hundred three".