204330121000000 has 98 divisors (see below), whose sum is σ = 506827994823314. Its totient is φ = 81732048000000.

The previous prime is 204330120999959. The next prime is 204330121000043. The reversal of 204330121000000 is 121033402.

It is a happy number.

It can be written as a sum of positive squares in 7 ways, for example, as 188431846794304 + 15898274205696 = 13727048^2 + 3987264^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 101165061 + ... + 103165060.

Almost surely, 2^{204330121000000} is an apocalyptic number.

204330121000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204330121000000 is an abundant number, since it is smaller than the sum of its proper divisors (302497873823314).

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

204330121000000 is an frugal number, since it uses more digits than its factorization.

204330121000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204330163 (or 204330128 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 204330121000000 its reverse (121033402), we get a palindrome (204330242033402).

The spelling of 204330121000000 in words is "two hundred four trillion, three hundred thirty billion, one hundred twenty-one million", and thus it is an aban number.