13321220012343 has 6 divisors (see below), whose sum is σ = 19241762240064. Its totient is φ = 8880813341556.

The previous prime is 13321220012297. The next prime is 13321220012371. The reversal of 13321220012343 is 34321002212331.

13321220012343 is a `hidden beast` number, since 1 + 332 + 1 + 2 + 200 + 123 + 4 + 3 = 666.

It is not a de Polignac number, because 13321220012343 - 2¹⁴ = 13321219995959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321221012343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 740067778455 + ... + 740067778472.

It is an arithmetic number, because the mean of its divisors is an integer number (3206960373344).

Almost surely, 2^{13321220012343} is an apocalyptic number.

13321220012343 is a deficient number, since it is larger than the sum of its proper divisors (5920542227721).

13321220012343 is a wasteful number, since it uses less digits than its factorization.

13321220012343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480135556933 (or 1480135556930 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 13321220012343 its reverse (34321002212331), we get a palindrome (47642222224674).

The spelling of 13321220012343 in words is "thirteen trillion, three hundred twenty-one billion, two hundred twenty million, twelve thousand, three hundred forty-three".