212200102220 has 12 divisors (see below), whose sum is σ = 445620214704. Its totient is φ = 84880040880.

The previous prime is 212200102217. The next prime is 212200102237. The reversal of 212200102220 is 22201002212.

It is a junction number, because it is equal to n+sod(n) for n = 212200102195 and 212200102204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5305002536 + ... + 5305002575.

It is an arithmetic number, because the mean of its divisors is an integer number (37135017892).

Almost surely, 2^212200102220 is an apocalyptic number.

212200102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212200102220 is an abundant number, since it is smaller than the sum of its proper divisors (233420112484).

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

212200102220 is a wasteful number, since it uses less digits than its factorization.

212200102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10610005120 (or 10610005118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 212200102220 its reverse (22201002212), we get a palindrome (234401104432).

The spelling of 212200102220 in words is "two hundred twelve billion, two hundred million, one hundred two thousand, two hundred twenty".