12001231310112 has 144 divisors (see below), whose sum is σ = 38237338706112. Its totient is φ = 3538446543360.

The previous prime is 12001231310071. The next prime is 12001231310143. The reversal of 12001231310112 is 21101313210021.

12001231310112 is a `hidden beast` number, since 1 + 200 + 12 + 31 + 310 + 112 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51075588 + ... + 51310019.

It is an arithmetic number, because the mean of its divisors is an integer number (265537074348).

Almost surely, 2^{12001231310112} is an apocalyptic number.

12001231310112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12001231310112 is an abundant number, since it is smaller than the sum of its proper divisors (26236107396000).

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

12001231310112 is a wasteful number, since it uses less digits than its factorization.

12001231310112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102385671 (or 102385660 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12001231310112 its reverse (21101313210021), we get a palindrome (33102544520133).

The spelling of 12001231310112 in words is "twelve trillion, one billion, two hundred thirty-one million, three hundred ten thousand, one hundred twelve".