520244235212 has 12 divisors (see below), whose sum is σ = 980460289536. Its totient is φ = 240112723920.

The previous prime is 520244235197. The next prime is 520244235253. The reversal of 520244235212 is 212532442025.

It is an unprimeable number.

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, 5002348364 + ... + 5002348467.

It is an arithmetic number, because the mean of its divisors is an integer number (81705024128).

Almost surely, 2^520244235212 is an apocalyptic number.

520244235212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

520244235212 is a deficient number, since it is larger than the sum of its proper divisors (460216054324).

520244235212 is a wasteful number, since it uses less digits than its factorization.

520244235212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10004696848 (or 10004696846 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 520244235212 its reverse (212532442025), we get a palindrome (732776677237).

The spelling of 520244235212 in words is "five hundred twenty billion, two hundred forty-four million, two hundred thirty-five thousand, two hundred twelve".