212202212 has 12 divisors (see below), whose sum is σ = 375031356. Its totient is φ = 105050400.

The previous prime is 212202191. The next prime is 212202229.

212202212 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 204890596 + 7311616 = 14314^2 + 2704^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262223 + ... + 263030.

It is an arithmetic number, because the mean of its divisors is an integer number (31252613).

Almost surely, 2^212202212 is an apocalyptic number.

It is an amenable number.

212202212 is a deficient number, since it is larger than the sum of its proper divisors (162829144).

212202212 is a wasteful number, since it uses less digits than its factorization.

212202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525358 (or 525356 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 212202212 is about 14567.1621120931. The cubic root of 212202212 is about 596.4627166552.

It can be divided in two parts, 21220 and 2212, that added together give a palindrome (23432).

The spelling of 212202212 in words is "two hundred twelve million, two hundred two thousand, two hundred twelve".