13001122332 has 108 divisors (see below), whose sum is σ = 36175867000. Its totient is φ = 3933990720.

The previous prime is 13001122313. The next prime is 13001122363. The reversal of 13001122332 is 23322110031.

13001122332 is a `hidden beast` number, since 1 + 300 + 11 + 22 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3713919 + ... + 3717417.

Almost surely, 2^13001122332 is an apocalyptic number.

13001122332 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 13001122332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18087933500).

13001122332 is an abundant number, since it is smaller than the sum of its proper divisors (23174744668).

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

13001122332 is a wasteful number, since it uses less digits than its factorization.

13001122332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384 (or 4368 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13001122332 its reverse (23322110031), we get a palindrome (36323232363).

The spelling of 13001122332 in words is "thirteen billion, one million, one hundred twenty-two thousand, three hundred thirty-two".