13221232310001 has 16 divisors (see below), whose sum is σ = 18105079692800. Its totient is φ = 8575778562048.

The previous prime is 13221232309979. The next prime is 13221232310021. The reversal of 13221232310001 is 10001323212231.

It is not a de Polignac number, because 13221232310001 - 2²¹ = 13221230212849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13221232310001.

It is not an unprimeable number, because it can be changed into a prime (13221232310021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5214705 + ... + 7323633.

It is an arithmetic number, because the mean of its divisors is an integer number (1131567480800).

Almost surely, 2^{13221232310001} is an apocalyptic number.

It is an amenable number.

13221232310001 is a deficient number, since it is larger than the sum of its proper divisors (4883847382799).

13221232310001 is a wasteful number, since it uses less digits than its factorization.

13221232310001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165448.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13221232310001 its reverse (10001323212231), we get a palindrome (23222555522232).

The spelling of 13221232310001 in words is "thirteen trillion, two hundred twenty-one billion, two hundred thirty-two million, three hundred ten thousand, one".