513513354212 has 12 divisors (see below), whose sum is σ = 898658764080. Its totient is φ = 256753707336.

The previous prime is 513513354197. The next prime is 513513354223. The reversal of 513513354212 is 212453315315.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327638 + ... + 1065069.

It is an arithmetic number, because the mean of its divisors is an integer number (74888230340).

Almost surely, 2^513513354212 is an apocalyptic number.

It is an amenable number.

513513354212 is a deficient number, since it is larger than the sum of its proper divisors (385145409868).

513513354212 is a wasteful number, since it uses less digits than its factorization.

513513354212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484890 (or 1484888 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

Adding to 513513354212 its reverse (212453315315), we get a palindrome (725966669527).

The spelling of 513513354212 in words is "five hundred thirteen billion, five hundred thirteen million, three hundred fifty-four thousand, two hundred twelve".