505200452412 has 24 divisors (see below), whose sum is σ = 1203881930496. Its totient is φ = 164817168688.

The previous prime is 505200452401. The next prime is 505200452413. The reversal of 505200452412 is 214254002505.

It is a self number, because there is not a number n which added to its sum of digits gives 505200452412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505200452413) 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, 447872178 + ... + 447873305.

It is an arithmetic number, because the mean of its divisors is an integer number (50161747104).

Almost surely, 2^505200452412 is an apocalyptic number.

It is an amenable number.

505200452412 is an abundant number, since it is smaller than the sum of its proper divisors (698681478084).

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

505200452412 is a wasteful number, since it uses less digits than its factorization.

505200452412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895745537 (or 895745535 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 505200452412 its reverse (214254002505), we get a palindrome (719454454917).

The spelling of 505200452412 in words is "five hundred five billion, two hundred million, four hundred fifty-two thousand, four hundred twelve".