13230012220 has 24 divisors (see below), whose sum is σ = 28058109408. Its totient is φ = 5239608000.

The previous prime is 13230012217. The next prime is 13230012233. The reversal of 13230012220 is 2221003231.

It is a junction number, because it is equal to n+sod(n) for n = 13230012194 and 13230012203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3272736 + ... + 3276775.

It is an arithmetic number, because the mean of its divisors is an integer number (1169087892).

Almost surely, 2^13230012220 is an apocalyptic number.

13230012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13230012220 is an abundant number, since it is smaller than the sum of its proper divisors (14828097188).

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

13230012220 is a wasteful number, since it uses less digits than its factorization.

13230012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6549621 (or 6549619 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 13230012220 its reverse (2221003231), we get a palindrome (15451015451).

The spelling of 13230012220 in words is "thirteen billion, two hundred thirty million, twelve thousand, two hundred twenty".