13220143203253 has 16 divisors (see below), whose sum is σ = 15596493316096. Its totient is φ = 10965750444720.

The previous prime is 13220143203233. The next prime is 13220143203271. The reversal of 13220143203253 is 35230234102231.

It is a cyclic number.

It is not a de Polignac number, because 13220143203253 - 2²⁵ = 13220109648821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220143203233) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8455000 + ... + 9895822.

It is an arithmetic number, because the mean of its divisors is an integer number (974780832256).

Almost surely, 2^{13220143203253} is an apocalyptic number.

It is an amenable number.

13220143203253 is a deficient number, since it is larger than the sum of its proper divisors (2376350112843).

13220143203253 is a wasteful number, since it uses less digits than its factorization.

13220143203253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483144.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 13220143203253 its reverse (35230234102231), we get a palindrome (48450377305484).

The spelling of 13220143203253 in words is "thirteen trillion, two hundred twenty billion, one hundred forty-three million, two hundred three thousand, two hundred fifty-three".