13020012030221 has 32 divisors (see below), whose sum is σ = 15956710598400. Its totient is φ = 10605867306048.

The previous prime is 13020012030209. The next prime is 13020012030229. The reversal of 13020012030221 is 12203021002031.

It is a de Polignac number, because none of the positive numbers 2^k-13020012030221 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 13020012030221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020012030229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11383646 + ... + 12475071.

It is an arithmetic number, because the mean of its divisors is an integer number (498647206200).

Almost surely, 2^{13020012030221} is an apocalyptic number.

It is an amenable number.

13020012030221 is a deficient number, since it is larger than the sum of its proper divisors (2936698568179).

13020012030221 is an equidigital number, since it uses as much as digits as its factorization.

13020012030221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23858818 (or 23858804 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13020012030221 its reverse (12203021002031), we get a palindrome (25223033032252).

The spelling of 13020012030221 in words is "thirteen trillion, twenty billion, twelve million, thirty thousand, two hundred twenty-one".