13021322231232 has 168 divisors, whose sum is σ = 43695535115232. Its totient is φ = 3629636812800.

The previous prime is 13021322231219. The next prime is 13021322231257. The reversal of 13021322231232 is 23213222312031.

13021322231232 is a `hidden beast` number, since 1 + 3 + 0 + 21 + 322 + 2 + 312 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a junction number, because it is equal to n+sod(n) for n = 13021322231196 and 13021322231205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39218769 + ... + 39549392.

It is an arithmetic number, because the mean of its divisors is an integer number (260092470924).

Almost surely, 2^{13021322231232} is an apocalyptic number.

13021322231232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13021322231232 is an abundant number, since it is smaller than the sum of its proper divisors (30674212884000).

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

13021322231232 is a wasteful number, since it uses less digits than its factorization.

13021322231232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78768227 (or 78768214 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 13021322231232 its reverse (23213222312031), we get a palindrome (36234544543263).

The spelling of 13021322231232 in words is "thirteen trillion, twenty-one billion, three hundred twenty-two million, two hundred thirty-one thousand, two hundred thirty-two".