505280012 has 48 divisors (see below), whose sum is σ = 922454400. Its totient is φ = 242040960.

The previous prime is 505280003. The next prime is 505280047. The reversal of 505280012 is 210082505.

It is a self number, because there is not a number n which added to its sum of digits gives 505280012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2394587 + ... + 2394797.

It is an arithmetic number, because the mean of its divisors is an integer number (19217800).

Almost surely, 2^505280012 is an apocalyptic number.

It is an amenable number.

505280012 is a deficient number, since it is larger than the sum of its proper divisors (417174388).

505280012 is a wasteful number, since it uses less digits than its factorization.

505280012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 505280012 is about 22478.4343760859. The cubic root of 505280012 is about 796.4845811652.

The spelling of 505280012 in words is "five hundred five million, two hundred eighty thousand, twelve".