13122222130220 has 192 divisors, whose sum is σ = 32156532817920. Its totient is φ = 4404950035200.

The previous prime is 13122222130219. The next prime is 13122222130273. The reversal of 13122222130220 is 2203122222131.

It is a happy 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, 3737458265 + ... + 3737461775.

It is an arithmetic number, because the mean of its divisors is an integer number (167481941760).

Almost surely, 2^{13122222130220} is an apocalyptic number.

13122222130220 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 13122222130220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16078266408960).

13122222130220 is an abundant number, since it is smaller than the sum of its proper divisors (19034310687700).

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

13122222130220 is a wasteful number, since it uses less digits than its factorization.

13122222130220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5284 (or 5282 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13122222130220 its reverse (2203122222131), we get a palindrome (15325344352351).

The spelling of 13122222130220 in words is "thirteen trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred thirty thousand, two hundred twenty".