201210201022212 has 18 divisors (see below), whose sum is σ = 508614674806238. Its totient is φ = 67070067007392.

The previous prime is 201210201022211. The next prime is 201210201022219. The reversal of 201210201022212 is 212220102012102.

It is a happy number.

201210201022212 is a `hidden beast` number, since 20 + 1 + 210 + 201 + 0 + 22 + 212 = 666.

201210201022212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 200529219575556 + 680981446656 = 14160834^2 + 825216^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is not an unprimeable number, because it can be changed into a prime (201210201022211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2794586125273 + ... + 2794586125344.

Almost surely, 2^{201210201022212} is an apocalyptic number.

It is an amenable number.

201210201022212 is an abundant number, since it is smaller than the sum of its proper divisors (307404473784026).

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

201210201022212 is a wasteful number, since it uses less digits than its factorization.

201210201022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5589172250627 (or 5589172250622 counting only the distinct ones).

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

Adding to 201210201022212 its reverse (212220102012102), we get a palindrome (413430303034314).

The spelling of 201210201022212 in words is "two hundred one trillion, two hundred ten billion, two hundred one million, twenty-two thousand, two hundred twelve".