12302321221000 has 128 divisors (see below), whose sum is σ = 29427067238400. Its totient is φ = 4812453580800.

The previous prime is 12302321220971. The next prime is 12302321221019. The reversal of 12302321221000 is 12212320321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10846809 + ... + 11927191.

It is an arithmetic number, because the mean of its divisors is an integer number (229898962800).

Almost surely, 2^{12302321221000} is an apocalyptic number.

12302321221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12302321221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14713533619200).

12302321221000 is an abundant number, since it is smaller than the sum of its proper divisors (17124746017400).

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

12302321221000 is a wasteful number, since it uses less digits than its factorization.

12302321221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080656 (or 1080642 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12302321221000 its reverse (12212320321), we get a palindrome (12314533541321).

The spelling of 12302321221000 in words is "twelve trillion, three hundred two billion, three hundred twenty-one million, two hundred twenty-one thousand".