201210210022212 has 18 divisors (see below), whose sum is σ = 508614697556238. Its totient is φ = 67070070007392.

The previous prime is 201210210022207. The next prime is 201210210022253. The reversal of 201210210022212 is 212220012012102.

It is a happy number.

201210210022212 is a `hidden beast` number, since 20 + 1 + 210 + 210 + 0 + 2 + 221 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 136570636086336 + 64639573935876 = 11686344^2 + 8039874^2 .

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 pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2794586250273 + ... + 2794586250344.

Almost surely, 2^{201210210022212} is an apocalyptic number.

It is an amenable number.

201210210022212 is an abundant number, since it is smaller than the sum of its proper divisors (307404487534026).

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

201210210022212 is a wasteful number, since it uses less digits than its factorization.

201210210022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5589172500627 (or 5589172500622 counting only the distinct ones).

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

Adding to 201210210022212 its reverse (212220012012102), we get a palindrome (413430222034314).

The spelling of 201210210022212 in words is "two hundred one trillion, two hundred ten billion, two hundred ten million, twenty-two thousand, two hundred twelve".