320112205532 has 12 divisors (see below), whose sum is σ = 640224411120. Its totient is φ = 137190945216.

The previous prime is 320112205519. The next prime is 320112205537. The reversal of 320112205532 is 235502211023.

It is a happy number.

320112205532 is an admirable number.

It is a super-2 number, since 2×320112205532² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320112205537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5716289357 + ... + 5716289412.

It is an arithmetic number, because the mean of its divisors is an integer number (53352034260).

Almost surely, 2^320112205532 is an apocalyptic number.

It is an amenable number.

320112205532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

320112205532 is a wasteful number, since it uses less digits than its factorization.

320112205532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11432578780 (or 11432578778 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 320112205532 its reverse (235502211023), we get a palindrome (555614416555).

The spelling of 320112205532 in words is "three hundred twenty billion, one hundred twelve million, two hundred five thousand, five hundred thirty-two".