212222102200 has 48 divisors (see below), whose sum is σ = 493777972080. Its totient is φ = 84826632960.

The previous prime is 212222102189. The next prime is 212222102243. The reversal of 212222102200 is 2201222212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114717 + ... + 661516.

It is an arithmetic number, because the mean of its divisors is an integer number (10287041085).

Almost surely, 2^212222102200 is an apocalyptic number.

212222102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212222102200 is an abundant number, since it is smaller than the sum of its proper divisors (281555869880).

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

212222102200 is a wasteful number, since it uses less digits than its factorization.

212222102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777616 (or 777607 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 212222102200 its reverse (2201222212), we get a palindrome (214423324412).

The spelling of 212222102200 in words is "two hundred twelve billion, two hundred twenty-two million, one hundred two thousand, two hundred".