201312320000 has 200 divisors, whose sum is σ = 548331502752. Its totient is φ = 73203200000.

The previous prime is 201312319993. The next prime is 201312320029. The reversal of 201312320000 is 23213102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

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, 3491405 + ... + 3548595.

Almost surely, 2^201312320000 is an apocalyptic number.

201312320000 is a gapful number since it is divisible by the number (20) 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 201312320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274165751376).

201312320000 is an abundant number, since it is smaller than the sum of its proper divisors (347019182752).

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

201312320000 is an frugal number, since it uses more digits than its factorization.

201312320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57240 (or 57209 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 201312320000 its reverse (23213102), we get a palindrome (201335533102).

The spelling of 201312320000 in words is "two hundred one billion, three hundred twelve million, three hundred twenty thousand".