12103030131112 has 64 divisors (see below), whose sum is σ = 24185209651200. Its totient is φ = 5661881622720.

The previous prime is 12103030131061. The next prime is 12103030131217. The reversal of 12103030131112 is 21113103030121.

12103030131112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12103030131112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4692537 + ... + 6798967.

It is an arithmetic number, because the mean of its divisors is an integer number (377893900800).

Almost surely, 2^{12103030131112} is an apocalyptic number.

It is an amenable number.

12103030131112 is a deficient number, since it is larger than the sum of its proper divisors (12082179520088).

12103030131112 is a wasteful number, since it uses less digits than its factorization.

12103030131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106926 (or 2106922 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12103030131112 its reverse (21113103030121), we get a palindrome (33216133161233).

The spelling of 12103030131112 in words is "twelve trillion, one hundred three billion, thirty million, one hundred thirty-one thousand, one hundred twelve".