201213212 has 24 divisors (see below), whose sum is σ = 356106240. Its totient is φ = 99474480.

The previous prime is 201213209. The next prime is 201213227. The reversal of 201213212 is 212312102.

It is a happy number.

201213212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218489 + ... + 219407.

It is an arithmetic number, because the mean of its divisors is an integer number (14837760).

Almost surely, 2^201213212 is an apocalyptic number.

It is an amenable number.

201213212 is a deficient number, since it is larger than the sum of its proper divisors (154893028).

201213212 is a wasteful number, since it uses less digits than its factorization.

201213212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481 (or 1479 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 201213212 is about 14184.9642932226. The cubic root of 201213212 is about 585.9836491301.

Adding to 201213212 its reverse (212312102), we get a palindrome (413525314).

The spelling of 201213212 in words is "two hundred one million, two hundred thirteen thousand, two hundred twelve".