13323321322120 has 64 divisors (see below), whose sum is σ = 30339695171520. Its totient is φ = 5264937909504.

The previous prime is 13323321322099. The next prime is 13323321322121. The reversal of 13323321322120 is 2122312332331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13323321322121) 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, 136745262 + ... + 136842658.

It is an arithmetic number, because the mean of its divisors is an integer number (474057737055).

Almost surely, 2^{13323321322120} is an apocalyptic number.

13323321322120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13323321322120 is an abundant number, since it is smaller than the sum of its proper divisors (17016373849400).

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

13323321322120 is a wasteful number, since it uses less digits than its factorization.

13323321322120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138694 (or 138690 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 13323321322120 its reverse (2122312332331), we get a palindrome (15445633654451).

The spelling of 13323321322120 in words is "thirteen trillion, three hundred twenty-three billion, three hundred twenty-one million, three hundred twenty-two thousand, one hundred twenty".