200112221212122 has 16 divisors (see below), whose sum is σ = 400229999569152. Its totient is φ = 66703147546560.

The previous prime is 200112221212109. The next prime is 200112221212139. The reversal of 200112221212122 is 221212122211002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231079503 + ... + 231943874.

It is an arithmetic number, because the mean of its divisors is an integer number (25014374973072).

Almost surely, 2^{200112221212122} is an apocalyptic number.

200112221212122 is an abundant number, since it is smaller than the sum of its proper divisors (200117778357030).

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

200112221212122 is a wasteful number, since it uses less digits than its factorization.

200112221212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463095413.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 200112221212122 its reverse (221212122211002), we get a palindrome (421324343423124).

The spelling of 200112221212122 in words is "two hundred trillion, one hundred twelve billion, two hundred twenty-one million, two hundred twelve thousand, one hundred twenty-two".