100221200212 has 24 divisors (see below), whose sum is σ = 200475596160. Its totient is φ = 42944829600.

The previous prime is 100221200179. The next prime is 100221200227. The reversal of 100221200212 is 212002122001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100221200192 and 100221200201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122512 + ... + 464167.

It is an arithmetic number, because the mean of its divisors is an integer number (8353149840).

Almost surely, 2^100221200212 is an apocalyptic number.

It is an amenable number.

100221200212 is an abundant number, since it is smaller than the sum of its proper divisors (100254395948).

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

100221200212 is a wasteful number, since it uses less digits than its factorization.

100221200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592791 (or 592789 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100221200212 its reverse (212002122001), we get a palindrome (312223322213).

The spelling of 100221200212 in words is "one hundred billion, two hundred twenty-one million, two hundred thousand, two hundred twelve".