204120222112 has 24 divisors (see below), whose sum is σ = 401915876292. Its totient is φ = 102046348800.

The previous prime is 204120222107. The next prime is 204120222127. The reversal of 204120222112 is 211222021402.

It can be written as a sum of positive squares in 2 ways, for example, as 156907885456 + 47212336656 = 396116^2 + 217284^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 204120222112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186939 + ... + 665722.

Almost surely, 2^204120222112 is an apocalyptic number.

It is an amenable number.

204120222112 is a deficient number, since it is larger than the sum of its proper divisors (197795654180).

204120222112 is an equidigital number, since it uses as much as digits as its factorization.

204120222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860152 (or 860144 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 204120222112 its reverse (211222021402), we get a palindrome (415342243514).

The spelling of 204120222112 in words is "two hundred four billion, one hundred twenty million, two hundred twenty-two thousand, one hundred twelve".