13201213010221 has 4 divisors (see below), whose sum is σ = 13217253367072. Its totient is φ = 13185172653372.

The previous prime is 13201213010203. The next prime is 13201213010267. The reversal of 13201213010221 is 12201031210231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13201213010221 - 2¹⁹ = 13201212485933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201213010281) 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 3 ways as a sum of consecutive naturals, for example, 8020177191 + ... + 8020178836.

It is an arithmetic number, because the mean of its divisors is an integer number (3304313341768).

Almost surely, 2^{13201213010221} is an apocalyptic number.

It is an amenable number.

13201213010221 is a deficient number, since it is larger than the sum of its proper divisors (16040356851).

13201213010221 is an equidigital number, since it uses as much as digits as its factorization.

13201213010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16040356850.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13201213010221 its reverse (12201031210231), we get a palindrome (25402244220452).

The spelling of 13201213010221 in words is "thirteen trillion, two hundred one billion, two hundred thirteen million, ten thousand, two hundred twenty-one".