12111130312 has 16 divisors (see below), whose sum is σ = 22709779200. Its totient is φ = 6055189200.

The previous prime is 12111130289. The next prime is 12111130349. The reversal of 12111130312 is 21303111121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128437 + ... + 201787.

It is an arithmetic number, because the mean of its divisors is an integer number (1419361200).

Almost surely, 2^12111130312 is an apocalyptic number.

It is an amenable number.

12111130312 is a deficient number, since it is larger than the sum of its proper divisors (10598648888).

12111130312 is a wasteful number, since it uses less digits than its factorization.

12111130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93996 (or 93992 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12111130312 its reverse (21303111121), we get a palindrome (33414241433).

The spelling of 12111130312 in words is "twelve billion, one hundred eleven million, one hundred thirty thousand, three hundred twelve".