13122304220 has 12 divisors (see below), whose sum is σ = 27556838904. Its totient is φ = 5248921680.

The previous prime is 13122304193. The next prime is 13122304231. The reversal of 13122304220 is 2240322131.

13122304220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 656115211 = 13122304220 / (1 + 3 + 1 + 2 + 2 + 3 + 0 + 4 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 13122304192 and 13122304201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328057586 + ... + 328057625.

It is an arithmetic number, because the mean of its divisors is an integer number (2296403242).

Almost surely, 2^13122304220 is an apocalyptic number.

13122304220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13122304220 is an abundant number, since it is smaller than the sum of its proper divisors (14434534684).

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

13122304220 is a wasteful number, since it uses less digits than its factorization.

13122304220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656115220 (or 656115218 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13122304220 its reverse (2240322131), we get a palindrome (15362626351).

The spelling of 13122304220 in words is "thirteen billion, one hundred twenty-two million, three hundred four thousand, two hundred twenty".