513120212 has 48 divisors (see below), whose sum is σ = 1002964032. Its totient is φ = 227738880.

The previous prime is 513120173. The next prime is 513120221. The reversal of 513120212 is 212021315.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 342938 + ... + 344430.

It is an arithmetic number, because the mean of its divisors is an integer number (20895084).

Almost surely, 2^513120212 is an apocalyptic number.

It is an amenable number.

513120212 is a deficient number, since it is larger than the sum of its proper divisors (489843820).

513120212 is a wasteful number, since it uses less digits than its factorization.

513120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688 (or 1686 counting only the distinct ones).

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

The square root of 513120212 is about 22652.1568950950. The cubic root of 513120212 is about 800.5830187582.

Adding to 513120212 its reverse (212021315), we get a palindrome (725141527).

The spelling of 513120212 in words is "five hundred thirteen million, one hundred twenty thousand, two hundred twelve".