12020323032120 has 256 divisors, whose sum is σ = 39526573363200. Its totient is φ = 2906234081280.

The previous prime is 12020323032119. The next prime is 12020323032149. The reversal of 12020323032120 is 2123032302021.

It is a happy number.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 109748985 + ... + 109858455.

It is an arithmetic number, because the mean of its divisors is an integer number (154400677200).

Almost surely, 2^{12020323032120} is an apocalyptic number.

12020323032120 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 12020323032120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19763286681600).

12020323032120 is an abundant number, since it is smaller than the sum of its proper divisors (27506250331080).

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

12020323032120 is a wasteful number, since it uses less digits than its factorization.

12020323032120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110750 (or 110746 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12020323032120 its reverse (2123032302021), we get a palindrome (14143355334141).

The spelling of 12020323032120 in words is "twelve trillion, twenty billion, three hundred twenty-three million, thirty-two thousand, one hundred twenty".