505515320504012 has 96 divisors (see below), whose sum is σ = 1089439825689600. Its totient is φ = 199867005695232.

The previous prime is 505515320503987. The next prime is 505515320504023. The reversal of 505515320504012 is 210405023515505.

It is a super-2 number, since 2×505515320504012² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4803901814 + ... + 4804007042.

It is an arithmetic number, because the mean of its divisors is an integer number (11348331517600).

Almost surely, 2^{505515320504012} is an apocalyptic number.

505515320504012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

505515320504012 is an abundant number, since it is smaller than the sum of its proper divisors (583924505185588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505515320504012 is a wasteful number, since it uses less digits than its factorization.

505515320504012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112855 (or 112853 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 505515320504012 in words is "five hundred five trillion, five hundred fifteen billion, three hundred twenty million, five hundred four thousand, twelve".