12131232001112 has 48 divisors (see below), whose sum is σ = 27313241267520. Its totient is φ = 5031386539200.

The previous prime is 12131232001111. The next prime is 12131232001117. The reversal of 12131232001112 is 21110023213121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131232001111) 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 11 ways as a sum of consecutive naturals, for example, 499133339 + ... + 499157642.

It is an arithmetic number, because the mean of its divisors is an integer number (569025859740).

Almost surely, 2^{12131232001112} is an apocalyptic number.

It is an amenable number.

12131232001112 is an abundant number, since it is smaller than the sum of its proper divisors (15182009266408).

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

12131232001112 is a wasteful number, since it uses less digits than its factorization.

12131232001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998291032 (or 998291021 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12131232001112 its reverse (21110023213121), we get a palindrome (33241255214233).

The spelling of 12131232001112 in words is "twelve trillion, one hundred thirty-one billion, two hundred thirty-two million, one thousand, one hundred twelve".