12242221342220 has 48 divisors (see below), whose sum is σ = 26887541345280. Its totient is φ = 4673310603456.

The previous prime is 12242221342217. The next prime is 12242221342223. The reversal of 12242221342220 is 2224312224221.

It is an interprime number because it is at equal distance from previous prime (12242221342217) and next prime (12242221342223).

It is not an unprimeable number, because it can be changed into a prime (12242221342223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30109592 + ... + 30513471.

It is an arithmetic number, because the mean of its divisors is an integer number (560157111360).

Almost surely, 2^{12242221342220} is an apocalyptic number.

12242221342220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12242221342220 is an abundant number, since it is smaller than the sum of its proper divisors (14645320003060).

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

12242221342220 is a wasteful number, since it uses less digits than its factorization.

12242221342220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60623534 (or 60623532 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 12242221342220 its reverse (2224312224221), we get a palindrome (14466533566441).

The spelling of 12242221342220 in words is "twelve trillion, two hundred forty-two billion, two hundred twenty-one million, three hundred forty-two thousand, two hundred twenty".