512212530 has 64 divisors (see below), whose sum is σ = 1300458240. Its totient is φ = 128848896.

The previous prime is 512212513. The next prime is 512212541. The reversal of 512212530 is 35212215.

It is a junction number, because it is equal to n+sod(n) for n = 512212497 and 512212506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45286 + ... + 55454.

It is an arithmetic number, because the mean of its divisors is an integer number (20319660).

Almost surely, 2^512212530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 512212530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650229120).

512212530 is an abundant number, since it is smaller than the sum of its proper divisors (788245710).

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

512212530 is a wasteful number, since it uses less digits than its factorization.

512212530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10275.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 512212530 is about 22632.1128045969. The cubic root of 512212530 is about 800.1106773958.

Adding to 512212530 its reverse (35212215), we get a palindrome (547424745).

The spelling of 512212530 in words is "five hundred twelve million, two hundred twelve thousand, five hundred thirty".