2212120200220 has 96 divisors (see below), whose sum is σ = 5865796113408. Its totient is φ = 682791048192.

The previous prime is 2212120200167. The next prime is 2212120200239. The reversal of 2212120200220 is 220020212122.

It is a junction number, because it is equal to n+sod(n) for n = 2212120200194 and 2212120200203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20150962 + ... + 20260441.

It is an arithmetic number, because the mean of its divisors is an integer number (61102042848).

Almost surely, 2^{2212120200220} is an apocalyptic number.

2212120200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212120200220 is an abundant number, since it is smaller than the sum of its proper divisors (3653675913188).

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

2212120200220 is a wasteful number, since it uses less digits than its factorization.

2212120200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40411459 (or 40411457 counting only the distinct ones).

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

Adding to 2212120200220 its reverse (220020212122), we get a palindrome (2432140412342).

The spelling of 2212120200220 in words is "two trillion, two hundred twelve billion, one hundred twenty million, two hundred thousand, two hundred twenty".