512231320000 has 140 divisors (see below), whose sum is σ = 1270887791976. Its totient is φ = 204776320000.

The previous prime is 512231319967. The next prime is 512231320063. The reversal of 512231320000 is 23132215.

It is a self number, because there is not a number n which added to its sum of digits gives 512231320000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 120437874 + ... + 120442126.

Almost surely, 2^512231320000 is an apocalyptic number.

512231320000 is a gapful number since it is divisible by the number (50) 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 512231320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635443895988).

512231320000 is an abundant number, since it is smaller than the sum of its proper divisors (758656471976).

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

512231320000 is an equidigital number, since it uses as much as digits as its factorization.

512231320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7296 (or 7271 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 512231320000 its reverse (23132215), we get a palindrome (512254452215).

The spelling of 512231320000 in words is "five hundred twelve billion, two hundred thirty-one million, three hundred twenty thousand".