211340212 has 12 divisors (see below), whose sum is σ = 372202180. Its totient is φ = 104996736.

The previous prime is 211340167. The next prime is 211340257. The reversal of 211340212 is 212043112.

211340212 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (211340167) and next prime (211340257).

It can be written as a sum of positive squares in 2 ways, for example, as 143376676 + 67963536 = 11974^2 + 8244^2 .

211340212 is strictly pandigital in base 9.

It is a congruent number.

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, 167637 + ... + 168892.

Almost surely, 2^211340212 is an apocalyptic number.

It is an amenable number.

211340212 is a deficient number, since it is larger than the sum of its proper divisors (160861968).

211340212 is a wasteful number, since it uses less digits than its factorization.

211340212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336690 (or 336688 counting only the distinct ones).

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

The square root of 211340212 is about 14537.5449096469. The cubic root of 211340212 is about 595.6539776376.

Adding to 211340212 its reverse (212043112), we get a palindrome (423383324).

The spelling of 211340212 in words is "two hundred eleven million, three hundred forty thousand, two hundred twelve".