13331221032 has 64 divisors (see below), whose sum is σ = 33600706560. Its totient is φ = 4407480000.

The previous prime is 13331221003. The next prime is 13331221037. The reversal of 13331221032 is 23012213331.

It is not an unprimeable number, because it can be changed into a prime (13331221037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2690157 + ... + 2695107.

It is an arithmetic number, because the mean of its divisors is an integer number (525011040).

Almost surely, 2^13331221032 is an apocalyptic number.

13331221032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13331221032 is an abundant number, since it is smaller than the sum of its proper divisors (20269485528).

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

13331221032 is a wasteful number, since it uses less digits than its factorization.

13331221032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5854 (or 5850 counting only the distinct ones).

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

Adding to 13331221032 its reverse (23012213331), we get a palindrome (36343434363).

The spelling of 13331221032 in words is "thirteen billion, three hundred thirty-one million, two hundred twenty-one thousand, thirty-two".