12111313022312 has 32 divisors (see below), whose sum is σ = 26847738230400. Its totient is φ = 5011577801664.

The previous prime is 12111313022293. The next prime is 12111313022317. The reversal of 12111313022312 is 21322031311121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12111313022317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3728850908 + ... + 3728854155.

It is an arithmetic number, because the mean of its divisors is an integer number (838991819700).

Almost surely, 2^{12111313022312} is an apocalyptic number.

It is an amenable number.

12111313022312 is an abundant number, since it is smaller than the sum of its proper divisors (14736425208088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12111313022312 is a wasteful number, since it uses less digits than its factorization.

12111313022312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7457705105 (or 7457705101 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12111313022312 its reverse (21322031311121), we get a palindrome (33433344333433).

The spelling of 12111313022312 in words is "twelve trillion, one hundred eleven billion, three hundred thirteen million, twenty-two thousand, three hundred twelve".