320120011200 has 336 divisors, whose sum is σ = 1146741139584. Its totient is φ = 77536972800.

The previous prime is 320120011171. The next prime is 320120011207. The reversal of 320120011200 is 2110021023.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320120011207) 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, 88015782 + ... + 88019418.

Almost surely, 2^320120011200 is an apocalyptic number.

320120011200 is a gapful number since it is divisible by the number (30) 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 320120011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (573370569792).

320120011200 is an abundant number, since it is smaller than the sum of its proper divisors (826621128384).

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

320120011200 is a wasteful number, since it uses less digits than its factorization.

320120011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340 (or 5325 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 320120011200 its reverse (2110021023), we get a palindrome (322230032223).

The spelling of 320120011200 in words is "three hundred twenty billion, one hundred twenty million, eleven thousand, two hundred".