13220205550122 has 16 divisors (see below), whose sum is σ = 27155016806112. Its totient is φ = 4287634232400.

The previous prime is 13220205550091. The next prime is 13220205550151. The reversal of 13220205550122 is 22105550202231.

It is a self number, because there is not a number n which added to its sum of digits gives 13220205550122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29775237504 + ... + 29775237947.

It is an arithmetic number, because the mean of its divisors is an integer number (1697188550382).

Almost surely, 2^{13220205550122} is an apocalyptic number.

13220205550122 is an abundant number, since it is smaller than the sum of its proper divisors (13934811255990).

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

13220205550122 is a wasteful number, since it uses less digits than its factorization.

13220205550122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59550475493.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 13220205550122 its reverse (22105550202231), we get a palindrome (35325755752353).

The spelling of 13220205550122 in words is "thirteen trillion, two hundred twenty billion, two hundred five million, five hundred fifty thousand, one hundred twenty-two".