204212444122 has 16 divisors (see below), whose sum is σ = 316960547400. Its totient is φ = 98560687680.

The previous prime is 204212444081. The next prime is 204212444129. The reversal of 204212444122 is 221444212402.

It is a happy number.

204212444122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 119141638561 + 85070805561 = 345169^2 + 291669^2 .

It is not an unprimeable number, because it can be changed into a prime (204212444129) by changing a digit.

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, 204597 + ... + 671032.

Almost surely, 2^204212444122 is an apocalyptic number.

204212444122 is a deficient number, since it is larger than the sum of its proper divisors (112748103278).

204212444122 is a wasteful number, since it uses less digits than its factorization.

204212444122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879681.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 204212444122 its reverse (221444212402), we get a palindrome (425656656524).

The spelling of 204212444122 in words is "two hundred four billion, two hundred twelve million, four hundred forty-four thousand, one hundred twenty-two".