12322100120 has 128 divisors (see below), whose sum is σ = 30864637440. Its totient is φ = 4389949440.

The previous prime is 12322100113. The next prime is 12322100149. The reversal of 12322100120 is 2100122321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12322100095 and 12322100104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4394639 + ... + 4397441.

It is an arithmetic number, because the mean of its divisors is an integer number (241129980).

Almost surely, 2^12322100120 is an apocalyptic number.

12322100120 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 12322100120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15432318720).

12322100120 is an abundant number, since it is smaller than the sum of its proper divisors (18542537320).

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

12322100120 is a wasteful number, since it uses less digits than its factorization.

12322100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025 (or 3021 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12322100120 its reverse (2100122321), we get a palindrome (14422222441).

The spelling of 12322100120 in words is "twelve billion, three hundred twenty-two million, one hundred thousand, one hundred twenty".