211200212200212 has 36 divisors (see below), whose sum is σ = 534746720749696. Its totient is φ = 70284090378960.

The previous prime is 211200212200207. The next prime is 211200212200253. The reversal of 211200212200212 is 212002212002112.

It is a happy number.

211200212200212 is a `hidden beast` number, since 2 + 11 + 200 + 21 + 220 + 0 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 4832492614 + ... + 4832536317.

Almost surely, 2^{211200212200212} is an apocalyptic number.

It is an amenable number.

211200212200212 is an abundant number, since it is smaller than the sum of its proper divisors (323546508549484).

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

211200212200212 is a wasteful number, since it uses less digits than its factorization.

211200212200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9665029548 (or 9665029543 counting only the distinct ones).

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

Adding to 211200212200212 its reverse (212002212002112), we get a palindrome (423202424202324).

The spelling of 211200212200212 in words is "two hundred eleven trillion, two hundred billion, two hundred twelve million, two hundred thousand, two hundred twelve".