520050012 has 24 divisors (see below), whose sum is σ = 1219206912. Its totient is φ = 172527600.

The previous prime is 520050001. The next prime is 520050019. The reversal of 520050012 is 210050025.

It is a junction number, because it is equal to n+sod(n) for n = 520049973 and 520050000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520050019) 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, 100164 + ... + 105227.

It is an arithmetic number, because the mean of its divisors is an integer number (50800288).

Almost surely, 2^520050012 is an apocalyptic number.

It is an amenable number.

520050012 is an abundant number, since it is smaller than the sum of its proper divisors (699156900).

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

520050012 is a wasteful number, since it uses less digits than its factorization.

520050012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205609 (or 205607 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 520050012 is about 22804.6050612590. The cubic root of 520050012 is about 804.1709309602.

The spelling of 520050012 in words is "five hundred twenty million, fifty thousand, twelve".