12111010312 has 32 divisors (see below), whose sum is σ = 23737420800. Its totient is φ = 5785977600.

The previous prime is 12111010297. The next prime is 12111010339. The reversal of 12111010312 is 21301011121.

It is a happy number.

12111010312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12111010292 and 12111010301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289489 + ... + 328672.

It is an arithmetic number, because the mean of its divisors is an integer number (741794400).

Almost surely, 2^12111010312 is an apocalyptic number.

It is an amenable number.

12111010312 is a deficient number, since it is larger than the sum of its proper divisors (11626410488).

12111010312 is a wasteful number, since it uses less digits than its factorization.

12111010312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618277 (or 618273 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12111010312 its reverse (21301011121), we get a palindrome (33412021433).

The spelling of 12111010312 in words is "twelve billion, one hundred eleven million, ten thousand, three hundred twelve".