12131103201112 has 48 divisors (see below), whose sum is σ = 27435399647760. Its totient is φ = 4925410314048.

The previous prime is 12131103201101. The next prime is 12131103201127. The reversal of 12131103201112 is 21110230113121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12131103201112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300016963 + ... + 300057394.

It is an arithmetic number, because the mean of its divisors is an integer number (571570825995).

Almost surely, 2^{12131103201112} is an apocalyptic number.

It is an amenable number.

12131103201112 is an abundant number, since it is smaller than the sum of its proper divisors (15304296446648).

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

12131103201112 is a wasteful number, since it uses less digits than its factorization.

12131103201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600074408 (or 600074385 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 12131103201112 its reverse (21110230113121), we get a palindrome (33241333314233).

The spelling of 12131103201112 in words is "twelve trillion, one hundred thirty-one billion, one hundred three million, two hundred one thousand, one hundred twelve".