501043281012 has 48 divisors (see below), whose sum is σ = 1299042292800. Its totient is φ = 167009130720.

The previous prime is 501043281001. The next prime is 501043281029. The reversal of 501043281012 is 210182340105.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 4893462 + ... + 4994802.

It is an arithmetic number, because the mean of its divisors is an integer number (27063381100).

Almost surely, 2^501043281012 is an apocalyptic number.

It is an amenable number.

501043281012 is an abundant number, since it is smaller than the sum of its proper divisors (797999011788).

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

501043281012 is a wasteful number, since it uses less digits than its factorization.

501043281012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147133 (or 147125 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The spelling of 501043281012 in words is "five hundred one billion, forty-three million, two hundred eighty-one thousand, twelve".