13220513342344 has 128 divisors (see below), whose sum is σ = 34145784576000. Its totient is φ = 4637081687040.

The previous prime is 13220513342339. The next prime is 13220513342353. The reversal of 13220513342344 is 44324331502231.

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, 27203994 + ... + 27685705.

It is an arithmetic number, because the mean of its divisors is an integer number (266763942000).

Almost surely, 2^{13220513342344} is an apocalyptic number.

13220513342344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13220513342344 is an abundant number, since it is smaller than the sum of its proper divisors (20925271233656).

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

13220513342344 is a wasteful number, since it uses less digits than its factorization.

13220513342344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54889763 (or 54889759 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 13220513342344 its reverse (44324331502231), we get a palindrome (57544844844575).

The spelling of 13220513342344 in words is "thirteen trillion, two hundred twenty billion, five hundred thirteen million, three hundred forty-two thousand, three hundred forty-four".