13221330222120 has 128 divisors (see below), whose sum is σ = 41666288544000. Its totient is φ = 3349763631104.

The previous prime is 13221330222119. The next prime is 13221330222137. The reversal of 13221330222120 is 2122203312231.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15663717 + ... + 16486196.

It is an arithmetic number, because the mean of its divisors is an integer number (325517879250).

Almost surely, 2^{13221330222120} is an apocalyptic number.

13221330222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13221330222120 is an abundant number, since it is smaller than the sum of its proper divisors (28444958321880).

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

13221330222120 is a wasteful number, since it uses less digits than its factorization.

13221330222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32150099 (or 32150095 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13221330222120 its reverse (2122203312231), we get a palindrome (15343533534351).

The spelling of 13221330222120 in words is "thirteen trillion, two hundred twenty-one billion, three hundred thirty million, two hundred twenty-two thousand, one hundred twenty".