12113020103312 has 20 divisors (see below), whose sum is σ = 23701342556796. Its totient is φ = 5996544604800.

The previous prime is 12113020103311. The next prime is 12113020103383. The reversal of 12113020103312 is 21330102031121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10029027594496 + 2083992508816 = 3166864^2 + 1443604^2 .

It is not an unprimeable number, because it can be changed into a prime (12113020103311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3747838763 + ... + 3747841994.

Almost surely, 2^{12113020103312} is an apocalyptic number.

It is an amenable number.

12113020103312 is a deficient number, since it is larger than the sum of its proper divisors (11588322453484).

12113020103312 is a wasteful number, since it uses less digits than its factorization.

12113020103312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7495680866 (or 7495680860 counting only the distinct ones).

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

Adding to 12113020103312 its reverse (21330102031121), we get a palindrome (33443122134433).

The spelling of 12113020103312 in words is "twelve trillion, one hundred thirteen billion, twenty million, one hundred three thousand, three hundred twelve".