212210200220 has 24 divisors (see below), whose sum is σ = 445908821904. Its totient is φ = 84833146496.

The previous prime is 212210200211. The next prime is 212210200249. The reversal of 212210200220 is 22002012212.

It is a junction number, because it is equal to n+sod(n) for n = 212210200195 and 212210200204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3149177 + ... + 3215856.

It is an arithmetic number, because the mean of its divisors is an integer number (18579534246).

Almost surely, 2^212210200220 is an apocalyptic number.

212210200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212210200220 is an abundant number, since it is smaller than the sum of its proper divisors (233698621684).

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

212210200220 is a wasteful number, since it uses less digits than its factorization.

212210200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6366709 (or 6366707 counting only the distinct ones).

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

Adding to 212210200220 its reverse (22002012212), we get a palindrome (234212212432).

The spelling of 212210200220 in words is "two hundred twelve billion, two hundred ten million, two hundred thousand, two hundred twenty".