320441233112 has 256 divisors, whose sum is σ = 828193766400. Its totient is φ = 112186368000.

The previous prime is 320441233103. The next prime is 320441233169. The reversal of 320441233112 is 211332144023.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 216367412 + ... + 216368892.

It is an arithmetic number, because the mean of its divisors is an integer number (3235131900).

Almost surely, 2^320441233112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320441233112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414096883200).

320441233112 is an abundant number, since it is smaller than the sum of its proper divisors (507752533288).

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

320441233112 is a wasteful number, since it uses less digits than its factorization.

320441233112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218 (or 2214 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 320441233112 its reverse (211332144023), we get a palindrome (531773377135).

The spelling of 320441233112 in words is "three hundred twenty billion, four hundred forty-one million, two hundred thirty-three thousand, one hundred twelve".