212230222210 has 16 divisors (see below), whose sum is σ = 383500841976. Its totient is φ = 84561768448.

The previous prime is 212230222199. The next prime is 212230222213. The reversal of 212230222210 is 12222032212.

It can be written as a sum of positive squares in 4 ways, for example, as 175503182761 + 36727039449 = 418931^2 + 191643^2 .

It is not an unprimeable number, because it can be changed into a prime (212230222213) 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, 41287357 + ... + 41292496.

Almost surely, 2^212230222210 is an apocalyptic number.

212230222210 is a deficient number, since it is larger than the sum of its proper divisors (171270619766).

212230222210 is a wasteful number, since it uses less digits than its factorization.

212230222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82580117.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212230222210 its reverse (12222032212), we get a palindrome (224452254422).

The spelling of 212230222210 in words is "two hundred twelve billion, two hundred thirty million, two hundred twenty-two thousand, two hundred ten".