512213553512 has 64 divisors (see below), whose sum is σ = 996831435600. Its totient is φ = 246451968000.

The previous prime is 512213553487. The next prime is 512213553529. The reversal of 512213553512 is 215355312215.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 64376883076 + 447836670436 = 253726^2 + 669206^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144650462 + ... + 144654002.

Almost surely, 2^512213553512 is an apocalyptic number.

It is an amenable number.

512213553512 is a deficient number, since it is larger than the sum of its proper divisors (484617882088).

512213553512 is a wasteful number, since it uses less digits than its factorization.

512213553512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478 (or 5474 counting only the distinct ones).

The product of its digits is 45000, while the sum is 35.

Adding to 512213553512 its reverse (215355312215), we get a palindrome (727568865727).

The spelling of 512213553512 in words is "five hundred twelve billion, two hundred thirteen million, five hundred fifty-three thousand, five hundred twelve".