512321012 has 12 divisors (see below), whose sum is σ = 1024642080. Its totient is φ = 219566136.

The previous prime is 512321011. The next prime is 512321039. The reversal of 512321012 is 210123215.

It is a happy number.

512321012 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512321011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9148562 + ... + 9148617.

It is an arithmetic number, because the mean of its divisors is an integer number (85386840).

Almost surely, 2^512321012 is an apocalyptic number.

It is an amenable number.

512321012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

512321012 is a wasteful number, since it uses less digits than its factorization.

512321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18297190 (or 18297188 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 512321012 is about 22634.5093165282. The cubic root of 512321012 is about 800.1671588200.

Adding to 512321012 its reverse (210123215), we get a palindrome (722444227).

The spelling of 512321012 in words is "five hundred twelve million, three hundred twenty-one thousand, twelve".