520110012 has 48 divisors (see below), whose sum is σ = 1274232960. Its totient is φ = 164885952.

The previous prime is 520110011. The next prime is 520110029. The reversal of 520110012 is 210011025.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 520110012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520110011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12163 + ... + 34469.

It is an arithmetic number, because the mean of its divisors is an integer number (26546520).

Almost surely, 2^520110012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520110012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (637116480).

520110012 is an abundant number, since it is smaller than the sum of its proper divisors (754122948).

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

520110012 is a wasteful number, since it uses less digits than its factorization.

520110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22410 (or 22408 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 520110012 is about 22805.9205470860. The cubic root of 520110012 is about 804.2018564476.

Adding to 520110012 its reverse (210011025), we get a palindrome (730121037).

The spelling of 520110012 in words is "five hundred twenty million, one hundred ten thousand, twelve".