501206536012 has 144 divisors (see below), whose sum is σ = 1105411587840. Its totient is φ = 194663948544.

The previous prime is 501206535961. The next prime is 501206536013. The reversal of 501206536012 is 210635602105.

It is a super-2 number, since 2×501206536012² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (501206536013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64015314 + ... + 64023142.

It is an arithmetic number, because the mean of its divisors is an integer number (7676469360).

Almost surely, 2^501206536012 is an apocalyptic number.

501206536012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 501206536012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552705793920).

501206536012 is an abundant number, since it is smaller than the sum of its proper divisors (604205051828).

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

501206536012 is a wasteful number, since it uses less digits than its factorization.

501206536012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8112 (or 8097 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 501206536012 in words is "five hundred one billion, two hundred six million, five hundred thirty-six thousand, twelve".