204410145212 has 48 divisors (see below), whose sum is σ = 454470223872. Its totient is φ = 78256981440.

The previous prime is 204410145161. The next prime is 204410145217. The reversal of 204410145212 is 212541014402.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204410145217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9046238 + ... + 9068805.

It is an arithmetic number, because the mean of its divisors is an integer number (9468129664).

Almost surely, 2^204410145212 is an apocalyptic number.

It is an amenable number.

204410145212 is an abundant number, since it is smaller than the sum of its proper divisors (250060078660).

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

204410145212 is a wasteful number, since it uses less digits than its factorization.

204410145212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18115098 (or 18115096 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 204410145212 its reverse (212541014402), we get a palindrome (416951159614).

The spelling of 204410145212 in words is "two hundred four billion, four hundred ten million, one hundred forty-five thousand, two hundred twelve".