13321012332 has 24 divisors (see below), whose sum is σ = 31520143872. Its totient is φ = 4377797200.

The previous prime is 13321012321. The next prime is 13321012363. The reversal of 13321012332 is 23321012331.

It is a junction number, because it is equal to n+sod(n) for n = 13321012299 and 13321012308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7816644 + ... + 7818347.

It is an arithmetic number, because the mean of its divisors is an integer number (1313339328).

Almost surely, 2^13321012332 is an apocalyptic number.

13321012332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13321012332 is an abundant number, since it is smaller than the sum of its proper divisors (18199131540).

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

13321012332 is a wasteful number, since it uses less digits than its factorization.

13321012332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15635069 (or 15635067 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13321012332 its reverse (23321012331), we get a palindrome (36642024663).

Subtracting 13321012332 from its reverse (23321012331), we obtain a palindrome (9999999999).

The spelling of 13321012332 in words is "thirteen billion, three hundred twenty-one million, twelve thousand, three hundred thirty-two".