12231120330 has 192 divisors, whose sum is σ = 38649985920. Its totient is φ = 2642572800.

The previous prime is 12231120281. The next prime is 12231120331. The reversal of 12231120330 is 3302113221.

12231120330 is a `hidden beast` number, since 1 + 2 + 2 + 311 + 20 + 330 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12231120331) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 356845 + ... + 389615.

It is an arithmetic number, because the mean of its divisors is an integer number (201302010).

Almost surely, 2^12231120330 is an apocalyptic number.

12231120330 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 12231120330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19324992960).

12231120330 is an abundant number, since it is smaller than the sum of its proper divisors (26418865590).

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

12231120330 is a wasteful number, since it uses less digits than its factorization.

12231120330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32837 (or 32834 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12231120330 its reverse (3302113221), we get a palindrome (15533233551).

The spelling of 12231120330 in words is "twelve billion, two hundred thirty-one million, one hundred twenty thousand, three hundred thirty".