500665212 has 60 divisors (see below), whose sum is σ = 1318372440. Its totient is φ = 165672864.

The previous prime is 500665201. The next prime is 500665223. The reversal of 500665212 is 212566005.

500665212 is a `hidden beast` number, since 5 + 0 + 0 + 6 + 652 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (500665201) and next prime (500665223).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39478 + ... + 50594.

It is an arithmetic number, because the mean of its divisors is an integer number (21972874).

Almost surely, 2^500665212 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 500665212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (659186220).

500665212 is an abundant number, since it is smaller than the sum of its proper divisors (817707228).

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

500665212 is a wasteful number, since it uses less digits than its factorization.

500665212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11272 (or 11261 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 500665212 is about 22375.5494234220. The cubic root of 500665212 is about 794.0523560787.

It can be divided in two parts, 50066 and 5212, that added together give a triangular number (55278 = T₃₃₂).

The spelling of 500665212 in words is "five hundred million, six hundred sixty-five thousand, two hundred twelve".