320121233300 has 72 divisors (see below), whose sum is σ = 765627038400. Its totient is φ = 115207603200.

The previous prime is 320121233231. The next prime is 320121233303. The reversal of 320121233300 is 3332121023.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320121233303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1393400 + ... + 1606799.

Almost surely, 2^320121233300 is an apocalyptic number.

It is an amenable number.

320121233300 is an abundant number, since it is smaller than the sum of its proper divisors (445505805100).

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

320121233300 is a wasteful number, since it uses less digits than its factorization.

320121233300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000321 (or 3000314 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 320121233300 its reverse (3332121023), we get a palindrome (323453354323).

The spelling of 320121233300 in words is "three hundred twenty billion, one hundred twenty-one million, two hundred thirty-three thousand, three hundred".