13205302324021 has 8 divisors (see below), whose sum is σ = 13512509692704. Its totient is φ = 12898099833360.

The previous prime is 13205302323911. The next prime is 13205302324051. The reversal of 13205302324021 is 12042320350231.

It is a happy number.

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 13205302324021 - 2¹⁵ = 13205302291253 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 (13205302324051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4574151 + ... + 6879931.

It is an arithmetic number, because the mean of its divisors is an integer number (1689063711588).

Almost surely, 2^{13205302324021} is an apocalyptic number.

It is an amenable number.

13205302324021 is a deficient number, since it is larger than the sum of its proper divisors (307207368683).

13205302324021 is a wasteful number, since it uses less digits than its factorization.

13205302324021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439011.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 13205302324021 its reverse (12042320350231), we get a palindrome (25247622674252).

The spelling of 13205302324021 in words is "thirteen trillion, two hundred five billion, three hundred two million, three hundred twenty-four thousand, twenty-one".