320120320112 has 40 divisors (see below), whose sum is σ = 644422519200. Its totient is φ = 153865942272.

The previous prime is 320120320103. The next prime is 320120320153. The reversal of 320120320112 is 211023021023.

It is a congruent number.

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, 1400108 + ... + 1612619.

It is an arithmetic number, because the mean of its divisors is an integer number (16110562980).

Almost surely, 2^320120320112 is an apocalyptic number.

It is an amenable number.

320120320112 is an abundant number, since it is smaller than the sum of its proper divisors (324302199088).

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

320120320112 is a wasteful number, since it uses less digits than its factorization.

320120320112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012993 (or 3012987 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 320120320112 its reverse (211023021023), we get a palindrome (531143341135).

The spelling of 320120320112 in words is "three hundred twenty billion, one hundred twenty million, three hundred twenty thousand, one hundred twelve".