1325331032112 has 120 divisors (see below), whose sum is σ = 3907503475200. Its totient is φ = 418182321024.

The previous prime is 1325331032063. The next prime is 1325331032197. The reversal of 1325331032112 is 2112301335231.

1325331032112 is a `hidden beast` number, since 1 + 3 + 2 + 5 + 331 + 0 + 321 + 1 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3148089 + ... + 3544167.

It is an arithmetic number, because the mean of its divisors is an integer number (32562528960).

Almost surely, 2^{1325331032112} is an apocalyptic number.

1325331032112 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 1325331032112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1953751737600).

1325331032112 is an abundant number, since it is smaller than the sum of its proper divisors (2582172443088).

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

1325331032112 is a wasteful number, since it uses less digits than its factorization.

1325331032112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397335 (or 397326 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 1325331032112 its reverse (2112301335231), we get a palindrome (3437632367343).

The spelling of 1325331032112 in words is "one trillion, three hundred twenty-five billion, three hundred thirty-one million, thirty-two thousand, one hundred twelve".