220012221200 has 60 divisors (see below), whose sum is σ = 528631262160. Its totient is φ = 87996247680.

The previous prime is 220012221157. The next prime is 220012221257. The reversal of 220012221200 is 2122210022.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5427407 + ... + 5467793.

It is an arithmetic number, because the mean of its divisors is an integer number (8810521036).

Almost surely, 2^220012221200 is an apocalyptic number.

220012221200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220012221200 is an abundant number, since it is smaller than the sum of its proper divisors (308619040960).

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

220012221200 is a wasteful number, since it uses less digits than its factorization.

220012221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54024 (or 54013 counting only the distinct ones).

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

Adding to 220012221200 its reverse (2122210022), we get a palindrome (222134431222).

The spelling of 220012221200 in words is "two hundred twenty billion, twelve million, two hundred twenty-one thousand, two hundred".