512031212 has 24 divisors (see below), whose sum is σ = 1117159680. Its totient is φ = 199492560.

The previous prime is 512031193. The next prime is 512031217. The reversal of 512031212 is 212130215.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (512031217) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 830912 + ... + 831527.

It is an arithmetic number, because the mean of its divisors is an integer number (46548320).

Almost surely, 2^512031212 is an apocalyptic number.

It is an amenable number.

512031212 is an abundant number, since it is smaller than the sum of its proper divisors (605128468).

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

512031212 is a wasteful number, since it uses less digits than its factorization.

512031212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662461 (or 1662459 counting only the distinct ones).

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

The square root of 512031212 is about 22628.1066817354. The cubic root of 512031212 is about 800.0162559197.

Adding to 512031212 its reverse (212130215), we get a palindrome (724161427).

The spelling of 512031212 in words is "five hundred twelve million, thirty-one thousand, two hundred twelve".