13152221413321 has 8 divisors (see below), whose sum is σ = 13300072265160. Its totient is φ = 13004372185728.

The previous prime is 13152221413319. The next prime is 13152221413339. The reversal of 13152221413321 is 12331412225131.

It can be written as a sum of positive squares in 4 ways, for example, as 1390312183225 + 11761909230096 = 1179115^2 + 3429564^2 .

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 13152221413321 - 2¹ = 13152221413319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13152221413351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24238435 + ... + 24775111.

It is an arithmetic number, because the mean of its divisors is an integer number (1662509033145).

Almost surely, 2^{13152221413321} is an apocalyptic number.

It is an amenable number.

13152221413321 is a deficient number, since it is larger than the sum of its proper divisors (147850851839).

13152221413321 is an equidigital number, since it uses as much as digits as its factorization.

13152221413321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812123.

The product of its digits is 8640, while the sum is 31.

Adding to 13152221413321 its reverse (12331412225131), we get a palindrome (25483633638452).

The spelling of 13152221413321 in words is "thirteen trillion, one hundred fifty-two billion, two hundred twenty-one million, four hundred thirteen thousand, three hundred twenty-one".