13230212220 has 48 divisors (see below), whose sum is σ = 41160661920. Its totient is φ = 3528056448.

The previous prime is 13230212167. The next prime is 13230212231. The reversal of 13230212220 is 2221203231.

13230212220 is a `hidden beast` number, since 1 + 3 + 230 + 212 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13230212193 and 13230212202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12249657 + ... + 12250736.

It is an arithmetic number, because the mean of its divisors is an integer number (857513790).

Almost surely, 2^13230212220 is an apocalyptic number.

13230212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13230212220 is an abundant number, since it is smaller than the sum of its proper divisors (27930449700).

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

13230212220 is a wasteful number, since it uses less digits than its factorization.

13230212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24500411 (or 24500403 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13230212220 its reverse (2221203231), we get a palindrome (15451415451).

The spelling of 13230212220 in words is "thirteen billion, two hundred thirty million, two hundred twelve thousand, two hundred twenty".