506521712012 has 6 divisors (see below), whose sum is σ = 886412996028. Its totient is φ = 253260856004.

The previous prime is 506521711951. The next prime is 506521712023. The reversal of 506521712012 is 210217125605.

It is a self number, because there is not a number n which added to its sum of digits gives 506521712012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63315213998 + ... + 63315214005.

It is an arithmetic number, because the mean of its divisors is an integer number (147735499338).

Almost surely, 2^506521712012 is an apocalyptic number.

It is an amenable number.

506521712012 is a deficient number, since it is larger than the sum of its proper divisors (379891284016).

506521712012 is a wasteful number, since it uses less digits than its factorization.

506521712012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126630428007 (or 126630428005 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

Adding to 506521712012 its reverse (210217125605), we get a palindrome (716738837617).

The spelling of 506521712012 in words is "five hundred six billion, five hundred twenty-one million, seven hundred twelve thousand, twelve".