200112121020012 has 48 divisors (see below), whose sum is σ = 475740433002240. Its totient is φ = 65445173230528.

The previous prime is 200112121019981. The next prime is 200112121020101. The reversal of 200112121020012 is 210020121211002.

It is a junction number, because it is equal to n+sod(n) for n = 200112121019973 and 200112121020000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169528483 + ... + 170704805.

It is an arithmetic number, because the mean of its divisors is an integer number (9911259020880).

Almost surely, 2^{200112121020012} is an apocalyptic number.

It is an amenable number.

200112121020012 is an abundant number, since it is smaller than the sum of its proper divisors (275628311982228).

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

200112121020012 is a wasteful number, since it uses less digits than its factorization.

200112121020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443862 (or 1443860 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200112121020012 its reverse (210020121211002), we get a palindrome (410132242231014).

The spelling of 200112121020012 in words is "two hundred trillion, one hundred twelve billion, one hundred twenty-one million, twenty thousand, twelve".