204224042243312 has 160 divisors (see below), whose sum is σ = 491708887617024. Its totient is φ = 80010529920000.

The previous prime is 204224042243311. The next prime is 204224042243371. The reversal of 204224042243312 is 213342240422402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204224042243311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 476665187 + ... + 477093437.

Almost surely, 2^{204224042243312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204224042243312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245854443808512).

204224042243312 is an abundant number, since it is smaller than the sum of its proper divisors (287484845373712).

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

204224042243312 is a wasteful number, since it uses less digits than its factorization.

204224042243312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431447 (or 431441 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 204224042243312 its reverse (213342240422402), we get a palindrome (417566282665714).

The spelling of 204224042243312 in words is "two hundred four trillion, two hundred twenty-four billion, forty-two million, two hundred forty-three thousand, three hundred twelve".