211322212 has 12 divisors (see below), whose sum is σ = 370222720. Its totient is φ = 105544296.

The previous prime is 211322203. The next prime is 211322219. The reversal of 211322212 is 212223112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (211322219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25068 + ... + 32419.

Almost surely, 2^211322212 is an apocalyptic number.

It is an amenable number.

211322212 is a deficient number, since it is larger than the sum of its proper divisors (158900508).

211322212 is a wasteful number, since it uses less digits than its factorization.

211322212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58410 (or 58408 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 211322212 is about 14536.9258098127. The cubic root of 211322212 is about 595.6370663962.

Adding to 211322212 its reverse (212223112), we get a palindrome (423545324).

The spelling of 211322212 in words is "two hundred eleven million, three hundred twenty-two thousand, two hundred twelve".