212102222200 has 48 divisors (see below), whose sum is σ = 537968369160. Its totient is φ = 77128080000.

The previous prime is 212102222197. The next prime is 212102222209. The reversal of 212102222200 is 2222201212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212102222209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48202851 + ... + 48207250.

Almost surely, 2^212102222200 is an apocalyptic number.

212102222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212102222200 is an abundant number, since it is smaller than the sum of its proper divisors (325866146960).

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

212102222200 is a wasteful number, since it uses less digits than its factorization.

212102222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96410128 (or 96410119 counting only the distinct ones).

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

Adding to 212102222200 its reverse (2222201212), we get a palindrome (214324423412).

The spelling of 212102222200 in words is "two hundred twelve billion, one hundred two million, two hundred twenty-two thousand, two hundred".