12311100233012 has 12 divisors (see below), whose sum is σ = 24622200466080. Its totient is φ = 5276185814136.

The previous prime is 12311100232993. The next prime is 12311100233027. The reversal of 12311100233012 is 21033200111321.

It is a happy number.

12311100233012 is an admirable number.

It is a congruent 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, 219841075562 + ... + 219841075617.

It is an arithmetic number, because the mean of its divisors is an integer number (2051850038840).

Almost surely, 2^{12311100233012} is an apocalyptic number.

It is an amenable number.

12311100233012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12311100233012 is a wasteful number, since it uses less digits than its factorization.

12311100233012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439682151190 (or 439682151188 counting only the distinct ones).

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

Adding to 12311100233012 its reverse (21033200111321), we get a palindrome (33344300344333).

The spelling of 12311100233012 in words is "twelve trillion, three hundred eleven billion, one hundred million, two hundred thirty-three thousand, twelve".