13000343413221 has 24 divisors (see below), whose sum is σ = 18828720967680. Its totient is φ = 8643615722016.

The previous prime is 13000343413201. The next prime is 13000343413231. The reversal of 13000343413221 is 12231434300031.

It is a happy number.

13000343413221 is a `hidden beast` number, since 1 + 3 + 0 + 0 + 0 + 3 + 434 + 1 + 3 + 221 = 666.

It is not a de Polignac number, because 13000343413221 - 2⁶ = 13000343413157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000343413201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48009235 + ... + 48279263.

It is an arithmetic number, because the mean of its divisors is an integer number (784530040320).

Almost surely, 2^{13000343413221} is an apocalyptic number.

It is an amenable number.

13000343413221 is a deficient number, since it is larger than the sum of its proper divisors (5828377554459).

13000343413221 is a wasteful number, since it uses less digits than its factorization.

13000343413221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284385 (or 284382 counting only the distinct ones).

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

Adding to 13000343413221 its reverse (12231434300031), we get a palindrome (25231777713252).

The spelling of 13000343413221 in words is "thirteen trillion, three hundred forty-three million, four hundred thirteen thousand, two hundred twenty-one".