200001220212112 has 160 divisors (see below), whose sum is σ = 458580186561024. Its totient is φ = 83473987584000.

The previous prime is 200001220212071. The next prime is 200001220212139. The reversal of 200001220212112 is 211212022100002.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 41743362 + ... + 46287262.

Almost surely, 2^{200001220212112} is an apocalyptic number.

200001220212112 is a gapful number since it is divisible by the number (22) 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 200001220212112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229290093280512).

200001220212112 is an abundant number, since it is smaller than the sum of its proper divisors (258578966348912).

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

200001220212112 is a wasteful number, since it uses less digits than its factorization.

200001220212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544297 (or 4544291 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200001220212112 its reverse (211212022100002), we get a palindrome (411213242312114).

The spelling of 200001220212112 in words is "two hundred trillion, one billion, two hundred twenty million, two hundred twelve thousand, one hundred twelve".