512040012 has 48 divisors (see below), whose sum is σ = 1306042752. Its totient is φ = 154846080.

The previous prime is 512039993. The next prime is 512040071. The reversal of 512040012 is 210040215.

It is a junction number, because it is equal to n+sod(n) for n = 512039973 and 512040000.

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 15 ways as a sum of consecutive naturals, for example, 65328 + ... + 72744.

It is an arithmetic number, because the mean of its divisors is an integer number (27209224).

Almost surely, 2^512040012 is an apocalyptic number.

It is an amenable number.

512040012 is an abundant number, since it is smaller than the sum of its proper divisors (794002740).

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

512040012 is a wasteful number, since it uses less digits than its factorization.

512040012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7958 (or 7956 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 512040012 is about 22628.3011293380. The cubic root of 512040012 is about 800.0208390405.

Adding to 512040012 its reverse (210040215), we get a palindrome (722080227).

The spelling of 512040012 in words is "five hundred twelve million, forty thousand, twelve".