1322320012032 has 144 divisors (see below), whose sum is σ = 3531901184000. Its totient is φ = 439197437952.

The previous prime is 1322320012009. The next prime is 1322320012043. The reversal of 1322320012032 is 2302100232231.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 590583969 + ... + 590586207.

Almost surely, 2^{1322320012032} is an apocalyptic number.

1322320012032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1322320012032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1765950592000).

1322320012032 is an abundant number, since it is smaller than the sum of its proper divisors (2209581171968).

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

1322320012032 is a wasteful number, since it uses less digits than its factorization.

1322320012032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666 (or 4652 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1322320012032 its reverse (2302100232231), we get a palindrome (3624420244263).

The spelling of 1322320012032 in words is "one trillion, three hundred twenty-two billion, three hundred twenty million, twelve thousand, thirty-two".