501255012 has 24 divisors (see below), whose sum is σ = 1198122912. Its totient is φ = 163009600.

The previous prime is 501254993. The next prime is 501255037. The reversal of 501255012 is 210552105.

It is a self number, because there is not a number n which added to its sum of digits gives 501255012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508914 + ... + 509897.

It is an arithmetic number, because the mean of its divisors is an integer number (49921788).

Almost surely, 2^501255012 is an apocalyptic number.

It is an amenable number.

501255012 is an abundant number, since it is smaller than the sum of its proper divisors (696867900).

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

501255012 is a wasteful number, since it uses less digits than its factorization.

501255012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018859 (or 1018857 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 501255012 is about 22388.7251088578. The cubic root of 501255012 is about 794.3640402708.

The spelling of 501255012 in words is "five hundred one million, two hundred fifty-five thousand, twelve".