528013931212 has 48 divisors (see below), whose sum is σ = 982749620160. Its totient is φ = 247673474048.

The previous prime is 528013931197. The next prime is 528013931251. The reversal of 528013931212 is 212139310825.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 14458608 + ... + 14495080.

It is an arithmetic number, because the mean of its divisors is an integer number (20473950420).

Almost surely, 2^528013931212 is an apocalyptic number.

It is an amenable number.

528013931212 is a deficient number, since it is larger than the sum of its proper divisors (454735688948).

528013931212 is a wasteful number, since it uses less digits than its factorization.

528013931212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39522 (or 39520 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 528013931212 in words is "five hundred twenty-eight billion, thirteen million, nine hundred thirty-one thousand, two hundred twelve".