521314212112 has 20 divisors (see below), whose sum is σ = 1025121605776. Its totient is φ = 256766700960.

The previous prime is 521314212053. The next prime is 521314212119. The reversal of 521314212112 is 211212413125.

It is not an unprimeable number, because it can be changed into a prime (521314212119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243149214 + ... + 243151357.

Almost surely, 2^521314212112 is an apocalyptic number.

It is an amenable number.

521314212112 is a deficient number, since it is larger than the sum of its proper divisors (503807393664).

521314212112 is a wasteful number, since it uses less digits than its factorization.

521314212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486300646 (or 486300640 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

Adding to 521314212112 its reverse (211212413125), we get a palindrome (732526625237).

The spelling of 521314212112 in words is "five hundred twenty-one billion, three hundred fourteen million, two hundred twelve thousand, one hundred twelve".