13120233321 has 64 divisors (see below), whose sum is σ = 19963625472. Its totient is φ = 7604036352.

The previous prime is 13120233307. The next prime is 13120233403. The reversal of 13120233321 is 12333202131.

It is not a de Polignac number, because 13120233321 - 2⁷ = 13120233193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13120233521) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21403011 + ... + 21403623.

It is an arithmetic number, because the mean of its divisors is an integer number (311931648).

Almost surely, 2^13120233321 is an apocalyptic number.

It is an amenable number.

13120233321 is a deficient number, since it is larger than the sum of its proper divisors (6843392151).

13120233321 is a wasteful number, since it uses less digits than its factorization.

13120233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982.

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

Adding to 13120233321 its reverse (12333202131), we get a palindrome (25453435452).

The spelling of 13120233321 in words is "thirteen billion, one hundred twenty million, two hundred thirty-three thousand, three hundred twenty-one".