12121222303230 has 128 divisors (see below), whose sum is σ = 30911158586880. Its totient is φ = 3036151641600.

The previous prime is 12121222303159. The next prime is 12121222303231. The reversal of 12121222303230 is 3230322212121.

12121222303230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12121222303230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121222303231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 349791405 + ... + 349826055.

It is an arithmetic number, because the mean of its divisors is an integer number (241493426460).

Almost surely, 2^{12121222303230} is an apocalyptic number.

12121222303230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12121222303230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15455579293440).

12121222303230 is an abundant number, since it is smaller than the sum of its proper divisors (18789936283650).

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

12121222303230 is a wasteful number, since it uses less digits than its factorization.

12121222303230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45594.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12121222303230 its reverse (3230322212121), we get a palindrome (15351544515351).

The spelling of 12121222303230 in words is "twelve trillion, one hundred twenty-one billion, two hundred twenty-two million, three hundred three thousand, two hundred thirty".