513546143212 has 12 divisors (see below), whose sum is σ = 898726945536. Its totient is φ = 256767015920.

The previous prime is 513546143207. The next prime is 513546143219. The reversal of 513546143212 is 212341645315.

It is not an unprimeable number, because it can be changed into a prime (513546143219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320364 + ... + 1664467.

It is an arithmetic number, because the mean of its divisors is an integer number (74893912128).

Almost surely, 2^513546143212 is an apocalyptic number.

It is an amenable number.

513546143212 is a deficient number, since it is larger than the sum of its proper divisors (385180802324).

513546143212 is a wasteful number, since it uses less digits than its factorization.

513546143212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027848 (or 3027846 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

Adding to 513546143212 its reverse (212341645315), we get a palindrome (725887788527).

The spelling of 513546143212 in words is "five hundred thirteen billion, five hundred forty-six million, one hundred forty-three thousand, two hundred twelve".