12003123030112 has 24 divisors (see below), whose sum is σ = 23633360343936. Its totient is φ = 6000999768192.

The previous prime is 12003123030103. The next prime is 12003123030113. The reversal of 12003123030112 is 21103032130021.

It is a self number, because there is not a number n which added to its sum of digits gives 12003123030112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003123030113) 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, 17207263 + ... + 17891230.

It is an arithmetic number, because the mean of its divisors is an integer number (984723347664).

Almost surely, 2^{12003123030112} is an apocalyptic number.

It is an amenable number.

12003123030112 is a deficient number, since it is larger than the sum of its proper divisors (11630237313824).

12003123030112 is a wasteful number, since it uses less digits than its factorization.

12003123030112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35109190 (or 35109182 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12003123030112 its reverse (21103032130021), we get a palindrome (33106155160133).

Subtracting 12003123030112 from its reverse (21103032130021), we obtain a palindrome (9099909099909).

The spelling of 12003123030112 in words is "twelve trillion, three billion, one hundred twenty-three million, thirty thousand, one hundred twelve".