512225120000 has 180 divisors, whose sum is σ = 1393807757496. Its totient is φ = 186263040000.

The previous prime is 512225119961. The next prime is 512225120047. The reversal of 512225120000 is 21522215.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1614482 + ... + 1905518.

Almost surely, 2^512225120000 is an apocalyptic number.

512225120000 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 512225120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696903878748).

512225120000 is an abundant number, since it is smaller than the sum of its proper divisors (881582637496).

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

512225120000 is an equidigital number, since it uses as much as digits as its factorization.

512225120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291084 (or 291055 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 512225120000 its reverse (21522215), we get a palindrome (512246642215).

The spelling of 512225120000 in words is "five hundred twelve billion, two hundred twenty-five million, one hundred twenty thousand".