204621150312 has 96 divisors (see below), whose sum is σ = 572793137280. Its totient is φ = 65951458560.

The previous prime is 204621150287. The next prime is 204621150323. The reversal of 204621150312 is 213051126402.

204621150312 is a `hidden beast` number, since 2 + 0 + 4 + 621 + 1 + 5 + 0 + 31 + 2 = 666.

204621150312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83389 + ... + 645132.

It is an arithmetic number, because the mean of its divisors is an integer number (5966595180).

Almost surely, 2^204621150312 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 204621150312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286396568640).

204621150312 is an abundant number, since it is smaller than the sum of its proper divisors (368171986968).

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

204621150312 is a wasteful number, since it uses less digits than its factorization.

204621150312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728663 (or 728656 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 204621150312 its reverse (213051126402), we get a palindrome (417672276714).

The spelling of 204621150312 in words is "two hundred four billion, six hundred twenty-one million, one hundred fifty thousand, three hundred twelve".