200212121221112 has 128 divisors (see below), whose sum is σ = 509020918156800. Its totient is φ = 71291444544000.

The previous prime is 200212121221051. The next prime is 200212121221121. The reversal of 200212121221112 is 211122121212002.

It is a congruent number.

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, 122961062 + ... + 124578677.

It is an arithmetic number, because the mean of its divisors is an integer number (3976725923100).

Almost surely, 2^{200212121221112} is an apocalyptic number.

200212121221112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

200212121221112 is an abundant number, since it is smaller than the sum of its proper divisors (308808796935688).

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

200212121221112 is a wasteful number, since it uses less digits than its factorization.

200212121221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247539877 (or 247539873 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 200212121221112 its reverse (211122121212002), we get a palindrome (411334242433114).

The spelling of 200212121221112 in words is "two hundred trillion, two hundred twelve billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred twelve".