12122001324 has 96 divisors (see below), whose sum is σ = 32005290240. Its totient is φ = 3967052544.

The previous prime is 12122001293. The next prime is 12122001337. The reversal of 12122001324 is 42310022121.

It is a happy number.

12122001324 is a `hidden beast` number, since 121 + 220 + 0 + 1 + 324 = 666.

12122001324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 12122001297 and 12122001306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1301187 + ... + 1310469.

It is an arithmetic number, because the mean of its divisors is an integer number (333388440).

Almost surely, 2^12122001324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12122001324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16002645120).

12122001324 is an abundant number, since it is smaller than the sum of its proper divisors (19883288916).

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

12122001324 is a wasteful number, since it uses less digits than its factorization.

12122001324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9516 (or 9508 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12122001324 its reverse (42310022121), we get a palindrome (54432023445).

The spelling of 12122001324 in words is "twelve billion, one hundred twenty-two million, one thousand, three hundred twenty-four".