2212200201220 has 12 divisors (see below), whose sum is σ = 4645620422604. Its totient is φ = 884880080480.

The previous prime is 2212200201187. The next prime is 2212200201257. The reversal of 2212200201220 is 221020022122.

It can be written as a sum of positive squares in 2 ways, for example, as 1309289754564 + 902910446656 = 1144242^2 + 950216^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2212200201194 and 2212200201203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55305005011 + ... + 55305005050.

It is an arithmetic number, because the mean of its divisors is an integer number (387135035217).

Almost surely, 2^{2212200201220} is an apocalyptic number.

2212200201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212200201220 is an abundant number, since it is smaller than the sum of its proper divisors (2433420221384).

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

2212200201220 is a wasteful number, since it uses less digits than its factorization.

2212200201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110610010070 (or 110610010068 counting only the distinct ones).

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

Adding to 2212200201220 its reverse (221020022122), we get a palindrome (2433220223342).

The spelling of 2212200201220 in words is "two trillion, two hundred twelve billion, two hundred million, two hundred one thousand, two hundred twenty".