501072012 has 72 divisors (see below), whose sum is σ = 1461148416. Its totient is φ = 141817824.

The previous prime is 501071999. The next prime is 501072041. The reversal of 501072012 is 210270105.

It is a super-2 number, since 2×501072012² = 502146322419456288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17673 + ... + 36255.

It is an arithmetic number, because the mean of its divisors is an integer number (20293728).

Almost surely, 2^501072012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 501072012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730574208).

501072012 is an abundant number, since it is smaller than the sum of its proper divisors (960076404).

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

501072012 is a wasteful number, since it uses less digits than its factorization.

501072012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18707 (or 18702 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 501072012 is about 22384.6378572449. The cubic root of 501072012 is about 794.2673587347.

The spelling of 501072012 in words is "five hundred one million, seventy-two thousand, twelve".