111123303323212 has 24 divisors (see below), whose sum is σ = 211759470946800. Its totient is φ = 50822273025216.

The previous prime is 111123303323209. The next prime is 111123303323237. The reversal of 111123303323212 is 212323303321111.

It is an unprimeable number.

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, 25209458623 + ... + 25209463030.

It is an arithmetic number, because the mean of its divisors is an integer number (8823311289450).

Almost surely, 2^{111123303323212} is an apocalyptic number.

It is an amenable number.

111123303323212 is a deficient number, since it is larger than the sum of its proper divisors (100636167623588).

111123303323212 is a wasteful number, since it uses less digits than its factorization.

111123303323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50418921705 (or 50418921703 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 111123303323212 its reverse (212323303321111), we get a palindrome (323446606644323).

The spelling of 111123303323212 in words is "one hundred eleven trillion, one hundred twenty-three billion, three hundred three million, three hundred twenty-three thousand, two hundred twelve".