13022220311220 has 192 divisors, whose sum is σ = 39223556628480. Its totient is φ = 3217720660992.

The previous prime is 13022220311189. The next prime is 13022220311231. The reversal of 13022220311220 is 2211302222031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82595184 + ... + 82752696.

It is an arithmetic number, because the mean of its divisors is an integer number (204289357440).

Almost surely, 2^{13022220311220} is an apocalyptic number.

13022220311220 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 13022220311220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19611778314240).

13022220311220 is an abundant number, since it is smaller than the sum of its proper divisors (26201336317260).

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

13022220311220 is a wasteful number, since it uses less digits than its factorization.

13022220311220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159134 (or 159132 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13022220311220 its reverse (2211302222031), we get a palindrome (15233522533251).

The spelling of 13022220311220 in words is "thirteen trillion, twenty-two billion, two hundred twenty million, three hundred eleven thousand, two hundred twenty".