320112551112 has 32 divisors (see below), whose sum is σ = 800367285600. Its totient is φ = 106692729344.

The previous prime is 320112551051. The next prime is 320112551141. The reversal of 320112551112 is 211155211023.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486162 + ... + 936257.

It is an arithmetic number, because the mean of its divisors is an integer number (25011477675).

Almost surely, 2^320112551112 is an apocalyptic number.

It is an amenable number.

320112551112 is an abundant number, since it is smaller than the sum of its proper divisors (480254734488).

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

320112551112 is a wasteful number, since it uses less digits than its factorization.

320112551112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431805 (or 1431801 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 320112551112 its reverse (211155211023), we get a palindrome (531267762135).

The spelling of 320112551112 in words is "three hundred twenty billion, one hundred twelve million, five hundred fifty-one thousand, one hundred twelve".