12030111032312 has 16 divisors (see below), whose sum is σ = 23883308667360. Its totient is φ = 5661228721024.

The previous prime is 12030111032311. The next prime is 12030111032323. The reversal of 12030111032312 is 21323011103021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030111032311) 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, 44228349248 + ... + 44228349519.

It is an arithmetic number, because the mean of its divisors is an integer number (1492706791710).

Almost surely, 2^{12030111032312} is an apocalyptic number.

It is an amenable number.

12030111032312 is a deficient number, since it is larger than the sum of its proper divisors (11853197635048).

12030111032312 is a wasteful number, since it uses less digits than its factorization.

12030111032312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88456698790 (or 88456698786 counting only the distinct ones).

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

Adding to 12030111032312 its reverse (21323011103021), we get a palindrome (33353122135333).

The spelling of 12030111032312 in words is "twelve trillion, thirty billion, one hundred eleven million, thirty-two thousand, three hundred twelve".