12103202131120 has 160 divisors (see below), whose sum is σ = 30263970124800. Its totient is φ = 4487001366528.

The previous prime is 12103202131117. The next prime is 12103202131127. The reversal of 12103202131120 is 2113120230121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (12103202131127) by changing a digit.

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, 175636512 + ... + 175705408.

It is an arithmetic number, because the mean of its divisors is an integer number (189149813280).

Almost surely, 2^{12103202131120} is an apocalyptic number.

12103202131120 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 12103202131120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15131985062400).

12103202131120 is an abundant number, since it is smaller than the sum of its proper divisors (18160767993680).

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

12103202131120 is a wasteful number, since it uses less digits than its factorization.

12103202131120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71435 (or 71429 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12103202131120 its reverse (2113120230121), we get a palindrome (14216322361241).

The spelling of 12103202131120 in words is "twelve trillion, one hundred three billion, two hundred two million, one hundred thirty-one thousand, one hundred twenty".