200001220012112 has 20 divisors (see below), whose sum is σ = 388198059237396. Its totient is φ = 99821075692800.

The previous prime is 200001220012081. The next prime is 200001220012117. The reversal of 200001220012112 is 211210022100002.

It can be written as a sum of positive squares in 2 ways, for example, as 84485069363776 + 115516150648336 = 9191576^2 + 10747844^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200001220012117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11220885389 + ... + 11220903212.

Almost surely, 2^{200001220012112} is an apocalyptic number.

It is an amenable number.

200001220012112 is a deficient number, since it is larger than the sum of its proper divisors (188196839225284).

200001220012112 is a wasteful number, since it uses less digits than its factorization.

200001220012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22441789166 (or 22441789160 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200001220012112 its reverse (211210022100002), we get a palindrome (411211242112114).

The spelling of 200001220012112 in words is "two hundred trillion, one billion, two hundred twenty million, twelve thousand, one hundred twelve".