12031320131120 has 20 divisors (see below), whose sum is σ = 27972819305040. Its totient is φ = 4812528052416.

The previous prime is 12031320131119. The next prime is 12031320131143. The reversal of 12031320131120 is 2113102313021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12031320131092 and 12031320131101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75195750740 + ... + 75195750899.

It is an arithmetic number, because the mean of its divisors is an integer number (1398640965252).

Almost surely, 2^{12031320131120} is an apocalyptic number.

12031320131120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031320131120 is an abundant number, since it is smaller than the sum of its proper divisors (15941499173920).

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

12031320131120 is a wasteful number, since it uses less digits than its factorization.

12031320131120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150391501652 (or 150391501646 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12031320131120 its reverse (2113102313021), we get a palindrome (14144422444141).

The spelling of 12031320131120 in words is "twelve trillion, thirty-one billion, three hundred twenty million, one hundred thirty-one thousand, one hundred twenty".