211006212 has 48 divisors (see below), whose sum is σ = 513257472. Its totient is φ = 67393440.

The previous prime is 211006183. The next prime is 211006219. The reversal of 211006212 is 212600112.

It is a junction number, because it is equal to n+sod(n) for n = 211006191 and 211006200.

It is not an unprimeable number, because it can be changed into a prime (211006219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35563 + ... + 41069.

It is an arithmetic number, because the mean of its divisors is an integer number (10692864).

Almost surely, 2^211006212 is an apocalyptic number.

It is an amenable number.

211006212 is an abundant number, since it is smaller than the sum of its proper divisors (302251260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211006212 is a wasteful number, since it uses less digits than its factorization.

211006212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5648 (or 5646 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 211006212 is about 14526.0528706184. The cubic root of 211006212 is about 595.3400236198.

Adding to 211006212 its reverse (212600112), we get a palindrome (423606324).

The spelling of 211006212 in words is "two hundred eleven million, six thousand, two hundred twelve".