13204222440121 has 8 divisors (see below), whose sum is σ = 13365688197600. Its totient is φ = 13043047876320.

The previous prime is 13204222440061. The next prime is 13204222440209. The reversal of 13204222440121 is 12104422240231.

13204222440121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13204222440121 - 2¹¹ = 13204222438073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13204222440121.

It is not an unprimeable number, because it can be changed into a prime (13204222444121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72707175 + ... + 72888556.

It is an arithmetic number, because the mean of its divisors is an integer number (1670711024700).

Almost surely, 2^{13204222440121} is an apocalyptic number.

It is an amenable number.

13204222440121 is a deficient number, since it is larger than the sum of its proper divisors (161465757479).

13204222440121 is a wasteful number, since it uses less digits than its factorization.

13204222440121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145596839.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 13204222440121 its reverse (12104422240231), we get a palindrome (25308644680352).

The spelling of 13204222440121 in words is "thirteen trillion, two hundred four billion, two hundred twenty-two million, four hundred forty thousand, one hundred twenty-one".