2012122220200 has 48 divisors (see below), whose sum is σ = 4953371473980. Its totient is φ = 757504834560.

The previous prime is 2012122220179. The next prime is 2012122220201. The reversal of 2012122220200 is 20222212102.

It can be written as a sum of positive squares in 6 ways, for example, as 1264045992804 + 748076227396 = 1124298^2 + 864914^2 .

It is not an unprimeable number, because it can be changed into a prime (2012122220201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295896927 + ... + 295903726.

Almost surely, 2^{2012122220200} is an apocalyptic number.

2012122220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012122220200 is an abundant number, since it is smaller than the sum of its proper divisors (2941249253780).

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

2012122220200 is a wasteful number, since it uses less digits than its factorization.

2012122220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591800686 (or 591800677 counting only the distinct ones).

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

Adding to 2012122220200 its reverse (20222212102), we get a palindrome (2032344432302).

It can be divided in two parts, 2012122 and 220200, that added together give a palindrome (2232322).

The spelling of 2012122220200 in words is "two trillion, twelve billion, one hundred twenty-two million, two hundred twenty thousand, two hundred".