212000100222 has 32 divisors (see below), whose sum is σ = 429464363040. Its totient is φ = 69758599680.

The previous prime is 212000100211. The next prime is 212000100229. The reversal of 212000100222 is 222001000212.

It is a junction number, because it is equal to n+sod(n) for n = 212000100198 and 212000100207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000100229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3522 + ... + 651162.

It is an arithmetic number, because the mean of its divisors is an integer number (13420761345).

Almost surely, 2^212000100222 is an apocalyptic number.

212000100222 is an abundant number, since it is smaller than the sum of its proper divisors (217464262818).

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

212000100222 is a wasteful number, since it uses less digits than its factorization.

212000100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648348.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 212000100222 its reverse (222001000212), we get a palindrome (434001100434).

The spelling of 212000100222 in words is "two hundred twelve billion, one hundred thousand, two hundred twenty-two".