12131200120 has 64 divisors (see below), whose sum is σ = 29438730720. Its totient is φ = 4472523264.

The previous prime is 12131200097. The next prime is 12131200121. The reversal of 12131200120 is 2100213121.

12131200120 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 (13).

It is a self number, because there is not a number n which added to its sum of digits gives 12131200120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131200121) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 338082 + ... + 372238.

Almost surely, 2^12131200120 is an apocalyptic number.

12131200120 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 12131200120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14719365360).

12131200120 is an abundant number, since it is smaller than the sum of its proper divisors (17307530600).

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

12131200120 is a wasteful number, since it uses less digits than its factorization.

12131200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34864 (or 34860 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12131200120 its reverse (2100213121), we get a palindrome (14231413241).

The spelling of 12131200120 in words is "twelve billion, one hundred thirty-one million, two hundred thousand, one hundred twenty".