13120233220000 has 120 divisors (see below), whose sum is σ = 32281179618996. Its totient is φ = 5247534336000.

The previous prime is 13120233219997. The next prime is 13120233220009. The reversal of 13120233220000 is 2233202131.

It can be written as a sum of positive squares in 10 ways, for example, as 108427952656 + 13011805267344 = 329284^2 + 3607188^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13120233220000.

It is not an unprimeable number, because it can be changed into a prime (13120233220009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 223510654 + ... + 223569346.

Almost surely, 2^{13120233220000} is an apocalyptic number.

13120233220000 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 13120233220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16140589809498).

13120233220000 is an abundant number, since it is smaller than the sum of its proper divisors (19160946398996).

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

13120233220000 is an equidigital number, since it uses as much as digits as its factorization.

13120233220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69900 (or 69877 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13120233220000 its reverse (2233202131), we get a palindrome (13122466422131).

The spelling of 13120233220000 in words is "thirteen trillion, one hundred twenty billion, two hundred thirty-three million, two hundred twenty thousand".