12234202220 has 48 divisors (see below), whose sum is σ = 27107136000. Its totient is φ = 4625300160.

The previous prime is 12234202219. The next prime is 12234202237. The reversal of 12234202220 is 2220243221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12234202192 and 12234202201.

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, 126431 + ... + 201129.

It is an arithmetic number, because the mean of its divisors is an integer number (564732000).

Almost surely, 2^12234202220 is an apocalyptic number.

12234202220 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 12234202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13553568000).

12234202220 is an abundant number, since it is smaller than the sum of its proper divisors (14872933780).

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

12234202220 is a wasteful number, since it uses less digits than its factorization.

12234202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75158 (or 75156 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 12234202220 its reverse (2220243221), we get a palindrome (14454445441).

The spelling of 12234202220 in words is "twelve billion, two hundred thirty-four million, two hundred two thousand, two hundred twenty".