211200020212212 has 72 divisors (see below), whose sum is σ = 557083063083456. Its totient is φ = 67338562836864.

The previous prime is 211200020212193. The next prime is 211200020212229. The reversal of 211200020212212 is 212212020002112.

It is a happy number.

211200020212212 is a `hidden beast` number, since 21 + 1 + 200 + 0 + 20 + 212 + 212 = 666.

It is a super-3 number, since 3×211200020212212³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102000568 + ... + 104050544.

It is an arithmetic number, because the mean of its divisors is an integer number (7737264765048).

Almost surely, 2^{211200020212212} is an apocalyptic number.

It is an amenable number.

211200020212212 is an abundant number, since it is smaller than the sum of its proper divisors (345883042871244).

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

211200020212212 is a wasteful number, since it uses less digits than its factorization.

211200020212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174437 (or 2174432 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 211200020212212 its reverse (212212020002112), we get a palindrome (423412040214324).

The spelling of 211200020212212 in words is "two hundred eleven trillion, two hundred billion, twenty million, two hundred twelve thousand, two hundred twelve".