200100002101212 has 48 divisors (see below), whose sum is σ = 467621328357792. Its totient is φ = 66596957256960.

The previous prime is 200100002101193. The next prime is 200100002101213. The reversal of 200100002101212 is 212101200001002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200100002101213) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 843199518 + ... + 843436794.

It is an arithmetic number, because the mean of its divisors is an integer number (9742111007454).

Almost surely, 2^{200100002101212} is an apocalyptic number.

It is an amenable number.

200100002101212 is an abundant number, since it is smaller than the sum of its proper divisors (267521326256580).

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

200100002101212 is a wasteful number, since it uses less digits than its factorization.

200100002101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345558 (or 345556 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200100002101212 its reverse (212101200001002), we get a palindrome (412201202102214).

The spelling of 200100002101212 in words is "two hundred trillion, one hundred billion, two million, one hundred one thousand, two hundred twelve".