12241132220 has 24 divisors (see below), whose sum is σ = 26824047264. Its totient is φ = 4683563456.

The previous prime is 12241132181. The next prime is 12241132237. The reversal of 12241132220 is 2223114221.

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 = 12241132192 and 12241132201.

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, 13305119 + ... + 13306038.

It is an arithmetic number, because the mean of its divisors is an integer number (1117668636).

Almost surely, 2^12241132220 is an apocalyptic number.

12241132220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12241132220 is an abundant number, since it is smaller than the sum of its proper divisors (14582915044).

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

12241132220 is a wasteful number, since it uses less digits than its factorization.

12241132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26611189 (or 26611187 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12241132220 its reverse (2223114221), we get a palindrome (14464246441).

The spelling of 12241132220 in words is "twelve billion, two hundred forty-one million, one hundred thirty-two thousand, two hundred twenty".