320233212000 has 576 divisors, whose sum is σ = 1252473558336. Its totient is φ = 76988620800.

The previous prime is 320233211983. The next prime is 320233212023. The reversal of 320233212000 is 212332023.

It is a happy number.

320233212000 is a `hidden beast` number, since 320 + 2 + 3 + 321 + 20 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20116044 + ... + 20131956.

It is an arithmetic number, because the mean of its divisors is an integer number (2174433261).

Almost surely, 2^320233212000 is an apocalyptic number.

320233212000 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 320233212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (626236779168).

320233212000 is an abundant number, since it is smaller than the sum of its proper divisors (932240346336).

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

320233212000 is a wasteful number, since it uses less digits than its factorization.

320233212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16000 (or 15979 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 320233212000 its reverse (212332023), we get a palindrome (320445544023).

The spelling of 320233212000 in words is "three hundred twenty billion, two hundred thirty-three million, two hundred twelve thousand".