200010212221212 has 18 divisors (see below), whose sum is σ = 505581369781488. Its totient is φ = 66670070740392.

The previous prime is 200010212221207. The next prime is 200010212221229. The reversal of 200010212221212 is 212122212010002.

It is a happy number.

200010212221212 is a `hidden beast` number, since 20 + 0 + 0 + 1 + 0 + 212 + 221 + 212 = 666.

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 a congruent number.

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, 2777919614148 + ... + 2777919614219.

Almost surely, 2^{200010212221212} is an apocalyptic number.

It is an amenable number.

200010212221212 is an abundant number, since it is smaller than the sum of its proper divisors (305571157560276).

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

200010212221212 is a wasteful number, since it uses less digits than its factorization.

200010212221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555839228377 (or 5555839228372 counting only the distinct ones).

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

Adding to 200010212221212 its reverse (212122212010002), we get a palindrome (412132424231214).

The spelling of 200010212221212 in words is "two hundred trillion, ten billion, two hundred twelve million, two hundred twenty-one thousand, two hundred twelve".