506550012 has 12 divisors (see below), whose sum is σ = 1181950056. Its totient is φ = 168850000.

The previous prime is 506550001. The next prime is 506550029. The reversal of 506550012 is 210055605.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21106239 + ... + 21106262.

It is an arithmetic number, because the mean of its divisors is an integer number (98495838).

Almost surely, 2^506550012 is an apocalyptic number.

It is an amenable number.

506550012 is an abundant number, since it is smaller than the sum of its proper divisors (675400044).

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

506550012 is a wasteful number, since it uses less digits than its factorization.

506550012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42212508 (or 42212506 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 506550012 is about 22506.6659458926. The cubic root of 506550012 is about 797.1513329936.

The spelling of 506550012 in words is "five hundred six million, five hundred fifty thousand, twelve".