12322452120 has 128 divisors (see below), whose sum is σ = 40636442880. Its totient is φ = 2964416000.

The previous prime is 12322452119. The next prime is 12322452143. The reversal of 12322452120 is 2125422321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137290 + ... + 208550.

It is an arithmetic number, because the mean of its divisors is an integer number (317472210).

Almost surely, 2^12322452120 is an apocalyptic number.

12322452120 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 12322452120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20318221440).

12322452120 is an abundant number, since it is smaller than the sum of its proper divisors (28313990760).

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

12322452120 is a wasteful number, since it uses less digits than its factorization.

12322452120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71417 (or 71413 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 12322452120 its reverse (2125422321), we get a palindrome (14447874441).

The spelling of 12322452120 in words is "twelve billion, three hundred twenty-two million, four hundred fifty-two thousand, one hundred twenty".