500421012 has 192 divisors, whose sum is σ = 1535385600. Its totient is φ = 123171840.

The previous prime is 500421007. The next prime is 500421023. The reversal of 500421012 is 210124005.

It is a super-2 number, since 2×500421012² = 500842378502208288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 500420982 and 500421000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1846437 + ... + 1846707.

It is an arithmetic number, because the mean of its divisors is an integer number (7996800).

Almost surely, 2^500421012 is an apocalyptic number.

500421012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500421012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767692800).

500421012 is an abundant number, since it is smaller than the sum of its proper divisors (1034964588).

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

500421012 is a wasteful number, since it uses less digits than its factorization.

500421012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 500421012 is about 22370.0919086176. The cubic root of 500421012 is about 793.9232351175.

Adding to 500421012 its reverse (210124005), we get a palindrome (710545017).

The spelling of 500421012 in words is "five hundred million, four hundred twenty-one thousand, twelve".