13220232221120 has 112 divisors (see below), whose sum is σ = 32549890691808. Its totient is φ = 5110898442240.

The previous prime is 13220232221107. The next prime is 13220232221123. The reversal of 13220232221120 is 2112223202231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220232221123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3304757 + ... + 6112436.

It is an arithmetic number, because the mean of its divisors is an integer number (290624024034).

Almost surely, 2^{13220232221120} is an apocalyptic number.

13220232221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13220232221120 is an abundant number, since it is smaller than the sum of its proper divisors (19329658470688).

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

13220232221120 is a wasteful number, since it uses less digits than its factorization.

13220232221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9417358 (or 9417348 counting only the distinct ones).

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

Adding to 13220232221120 its reverse (2112223202231), we get a palindrome (15332455423351).

The spelling of 13220232221120 in words is "thirteen trillion, two hundred twenty billion, two hundred thirty-two million, two hundred twenty-one thousand, one hundred twenty".