512125012 has 96 divisors (see below), whose sum is σ = 1124372480. Its totient is φ = 199221120.

The previous prime is 512124997. The next prime is 512125021. The reversal of 512125012 is 210521215.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1395253 + ... + 1395619.

Almost surely, 2^512125012 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 512125012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562186240).

512125012 is an abundant number, since it is smaller than the sum of its proper divisors (612247468).

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

512125012 is a wasteful number, since it uses less digits than its factorization.

512125012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 512125012 is about 22630.1792303994. The cubic root of 512125012 is about 800.0651051182.

Adding to 512125012 its reverse (210521215), we get a palindrome (722646227).

The spelling of 512125012 in words is "five hundred twelve million, one hundred twenty-five thousand, twelve".