505112004200 has 48 divisors (see below), whose sum is σ = 1174454731500. Its totient is φ = 202032875520.

The previous prime is 505112004191. The next prime is 505112004203. The reversal of 505112004200 is 2400211505.

It can be written as a sum of positive squares in 6 ways, for example, as 15506724676 + 489605279524 = 124526^2 + 699718^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (505112004203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3833006 + ... + 3962594.

Almost surely, 2^505112004200 is an apocalyptic number.

505112004200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505112004200 is an abundant number, since it is smaller than the sum of its proper divisors (669342727300).

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

505112004200 is a wasteful number, since it uses less digits than its factorization.

505112004200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149094 (or 149085 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 505112004200 its reverse (2400211505), we get a palindrome (507512215705).

The spelling of 505112004200 in words is "five hundred five billion, one hundred twelve million, four thousand, two hundred".