12241221220330 has 64 divisors (see below), whose sum is σ = 24559356504960. Its totient is φ = 4365710659584.

The previous prime is 12241221220289. The next prime is 12241221220339. The reversal of 12241221220330 is 3302212214221.

It is a junction number, because it is equal to n+sod(n) for n = 12241221220295 and 12241221220304.

It is not an unprimeable number, because it can be changed into a prime (12241221220339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83477154 + ... + 83623666.

It is an arithmetic number, because the mean of its divisors is an integer number (383739945390).

Almost surely, 2^{12241221220330} is an apocalyptic number.

12241221220330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12241221220330 is an abundant number, since it is smaller than the sum of its proper divisors (12318135284630).

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

12241221220330 is a wasteful number, since it uses less digits than its factorization.

12241221220330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172423.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12241221220330 its reverse (3302212214221), we get a palindrome (15543433434551).

The spelling of 12241221220330 in words is "twelve trillion, two hundred forty-one billion, two hundred twenty-one million, two hundred twenty thousand, three hundred thirty".