13021303311232 has 128 divisors (see below), whose sum is σ = 27177974460000. Its totient is φ = 6206397603840.

The previous prime is 13021303311197. The next prime is 13021303311239. The reversal of 13021303311232 is 23211330312031.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 13021303311197 and 13021303311206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021303311239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93320494 + ... + 93459922.

Almost surely, 2^{13021303311232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13021303311232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13588987230000).

13021303311232 is an abundant number, since it is smaller than the sum of its proper divisors (14156671148768).

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

13021303311232 is a wasteful number, since it uses less digits than its factorization.

13021303311232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139792 (or 139780 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13021303311232 its reverse (23211330312031), we get a palindrome (36232633623263).

The spelling of 13021303311232 in words is "thirteen trillion, twenty-one billion, three hundred three million, three hundred eleven thousand, two hundred thirty-two".