13021320230022 has 128 divisors (see below), whose sum is σ = 28789758885888. Its totient is φ = 3900714624000.

The previous prime is 13021320230011. The next prime is 13021320230029. The reversal of 13021320230022 is 22003202312031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021320230029) 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 63 ways as a sum of consecutive naturals, for example, 4111561483 + ... + 4111564649.

It is an arithmetic number, because the mean of its divisors is an integer number (224919991296).

Almost surely, 2^{13021320230022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13021320230022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14394879442944).

13021320230022 is an abundant number, since it is smaller than the sum of its proper divisors (15768438655866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13021320230022 is a wasteful number, since it uses less digits than its factorization.

13021320230022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5494.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13021320230022 its reverse (22003202312031), we get a palindrome (35024522542053).

The spelling of 13021320230022 in words is "thirteen trillion, twenty-one billion, three hundred twenty million, two hundred thirty thousand, twenty-two".