201322030212 has 18 divisors (see below), whose sum is σ = 508897354238. Its totient is φ = 67107343392.

The previous prime is 201322030199. The next prime is 201322030243. The reversal of 201322030212 is 212030223102.

201322030212 is a `hidden beast` number, since 201 + 3 + 220 + 30 + 212 = 666.

It can be written as a sum of positive squares in only one way, i.e., 201319126596 + 2903616 = 448686^2 + 1704^2 .

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 an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2796139273 + ... + 2796139344.

Almost surely, 2^201322030212 is an apocalyptic number.

It is an amenable number.

201322030212 is an abundant number, since it is smaller than the sum of its proper divisors (307575324026).

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

201322030212 is a wasteful number, since it uses less digits than its factorization.

201322030212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5592278627 (or 5592278622 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 201322030212 its reverse (212030223102), we get a palindrome (413352253314).

The spelling of 201322030212 in words is "two hundred one billion, three hundred twenty-two million, thirty thousand, two hundred twelve".