501612818212 has 48 divisors (see below), whose sum is σ = 988645400064. Its totient is φ = 220621824000.

The previous prime is 501612818177. The next prime is 501612818251. The reversal of 501612818212 is 212818216105.

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, 12901762 + ... + 12940582.

It is an arithmetic number, because the mean of its divisors is an integer number (20596779168).

Almost surely, 2^501612818212 is an apocalyptic number.

It is an amenable number.

501612818212 is a deficient number, since it is larger than the sum of its proper divisors (487032581852).

501612818212 is a wasteful number, since it uses less digits than its factorization.

501612818212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48340 (or 48338 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 37.

The spelling of 501612818212 in words is "five hundred one billion, six hundred twelve million, eight hundred eighteen thousand, two hundred twelve".