13142304445221 has 48 divisors (see below), whose sum is σ = 23072521180800. Its totient is φ = 7041284204544.

The previous prime is 13142304445213. The next prime is 13142304445247. The reversal of 13142304445221 is 12254440324131.

13142304445221 is a `hidden beast` number, since 1 + 3 + 1 + 423 + 0 + 4 + 4 + 4 + 5 + 221 = 666.

It is not a de Polignac number, because 13142304445221 - 2³ = 13142304445213 is a prime.

It is a super-2 number, since 2×13142304445221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13142304445261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56478576 + ... + 56710793.

It is an arithmetic number, because the mean of its divisors is an integer number (480677524600).

Almost surely, 2^{13142304445221} is an apocalyptic number.

It is an amenable number.

13142304445221 is a deficient number, since it is larger than the sum of its proper divisors (9930216735579).

13142304445221 is a wasteful number, since it uses less digits than its factorization.

13142304445221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113189498 (or 113189495 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 13142304445221 its reverse (12254440324131), we get a palindrome (25396744769352).

The spelling of 13142304445221 in words is "thirteen trillion, one hundred forty-two billion, three hundred four million, four hundred forty-five thousand, two hundred twenty-one".