211201020112212 has 192 divisors, whose sum is σ = 608797787422720. Its totient is φ = 62878531478400.

The previous prime is 211201020112207. The next prime is 211201020112223. The reversal of 211201020112212 is 212211020102112.

211201020112212 is a `hidden beast` number, since 211 + 20 + 10 + 201 + 1 + 221 + 2 = 666.

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 polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 272552103 + ... + 273325905.

Almost surely, 2^{211201020112212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211201020112212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304398893711360).

211201020112212 is an abundant number, since it is smaller than the sum of its proper divisors (397596767310508).

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

211201020112212 is a wasteful number, since it uses less digits than its factorization.

211201020112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780131 (or 780123 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211201020112212 its reverse (212211020102112), we get a palindrome (423412040214324).

The spelling of 211201020112212 in words is "two hundred eleven trillion, two hundred one billion, twenty million, one hundred twelve thousand, two hundred twelve".