220212221200 has 120 divisors (see below), whose sum is σ = 552968625600. Its totient is φ = 84116820480.

The previous prime is 220212221183. The next prime is 220212221213. The reversal of 220212221200 is 2122212022.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5675466 + ... + 5714134.

It is an arithmetic number, because the mean of its divisors is an integer number (4608071880).

Almost surely, 2^220212221200 is an apocalyptic number.

220212221200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220212221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276484312800).

220212221200 is an abundant number, since it is smaller than the sum of its proper divisors (332756404400).

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

220212221200 is a wasteful number, since it uses less digits than its factorization.

220212221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39329 (or 39318 counting only the distinct ones).

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

Adding to 220212221200 its reverse (2122212022), we get a palindrome (222334433222).

It can be divided in two parts, 2 and 20212221200, that added together give a palindrome (20212221202).

The spelling of 220212221200 in words is "two hundred twenty billion, two hundred twelve million, two hundred twenty-one thousand, two hundred".