204030021144012 has 24 divisors (see below), whose sum is σ = 544080056384256. Its totient is φ = 58294291755408.

The previous prime is 204030021143953. The next prime is 204030021144013. The reversal of 204030021144012 is 210441120030402.

204030021144012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204030021144012² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204030021144013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214464411488 + ... + 1214464411655.

It is an arithmetic number, because the mean of its divisors is an integer number (22670002349344).

Almost surely, 2^{204030021144012} is an apocalyptic number.

It is an amenable number.

204030021144012 is an abundant number, since it is smaller than the sum of its proper divisors (340050035240244).

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

204030021144012 is a wasteful number, since it uses less digits than its factorization.

204030021144012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428928823157 (or 2428928823155 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 204030021144012 its reverse (210441120030402), we get a palindrome (414471141174414).

The spelling of 204030021144012 in words is "two hundred four trillion, thirty billion, twenty-one million, one hundred forty-four thousand, twelve".