200112121220 has 24 divisors (see below), whose sum is σ = 458438678208. Its totient is φ = 72768044000.

The previous prime is 200112121219. The next prime is 200112121247. The reversal of 200112121220 is 22121211002.

200112121220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×200112121220² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200112121195 and 200112121204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454800056 + ... + 454800495.

It is an arithmetic number, because the mean of its divisors is an integer number (19101611592).

Almost surely, 2^200112121220 is an apocalyptic number.

200112121220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200112121220 is an abundant number, since it is smaller than the sum of its proper divisors (258326556988).

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

200112121220 is a wasteful number, since it uses less digits than its factorization.

200112121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909600571 (or 909600569 counting only the distinct ones).

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

Adding to 200112121220 its reverse (22121211002), we get a palindrome (222233332222).

The spelling of 200112121220 in words is "two hundred billion, one hundred twelve million, one hundred twenty-one thousand, two hundred twenty".