201222212 has 12 divisors (see below), whose sum is σ = 356382096. Its totient is φ = 99398760.

The previous prime is 201222211. The next prime is 201222223. The reversal of 201222212 is 212222102.

It is not an unprimeable number, because it can be changed into a prime (201222211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302714 + ... + 303377.

It is an arithmetic number, because the mean of its divisors is an integer number (29698508).

Almost surely, 2^201222212 is an apocalyptic number.

It is an amenable number.

201222212 is a deficient number, since it is larger than the sum of its proper divisors (155159884).

201222212 is a wasteful number, since it uses less digits than its factorization.

201222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606178 (or 606176 counting only the distinct ones).

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

The square root of 201222212 is about 14185.2815269913. The cubic root of 201222212 is about 585.9923857568.

Adding to 201222212 its reverse (212222102), we get a palindrome (413444314).

The spelling of 201222212 in words is "two hundred one million, two hundred twenty-two thousand, two hundred twelve".