13231022213420 has 240 divisors, whose sum is σ = 32505071944800. Its totient is φ = 4510881239040.

The previous prime is 13231022213419. The next prime is 13231022213447. The reversal of 13231022213420 is 2431222013231.

It is a self number, because there is not a number n which added to its sum of digits gives 13231022213420.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 539655002 + ... + 539679518.

It is an arithmetic number, because the mean of its divisors is an integer number (135437799770).

Almost surely, 2^{13231022213420} is an apocalyptic number.

13231022213420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13231022213420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16252535972400).

13231022213420 is an abundant number, since it is smaller than the sum of its proper divisors (19274049731380).

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

13231022213420 is a wasteful number, since it uses less digits than its factorization.

13231022213420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24686 (or 24651 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13231022213420 its reverse (2431222013231), we get a palindrome (15662244226651).

The spelling of 13231022213420 in words is "thirteen trillion, two hundred thirty-one billion, twenty-two million, two hundred thirteen thousand, four hundred twenty".