12133433111242 has 32 divisors (see below), whose sum is σ = 19259647064064. Its totient is φ = 5721006337200.

The previous prime is 12133433111209. The next prime is 12133433111297. The reversal of 12133433111242 is 24211133433121.

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 15 ways as a sum of consecutive naturals, for example, 125127517 + ... + 125224447.

It is an arithmetic number, because the mean of its divisors is an integer number (601863970752).

Almost surely, 2^{12133433111242} is an apocalyptic number.

12133433111242 is a deficient number, since it is larger than the sum of its proper divisors (7126213952822).

12133433111242 is a wasteful number, since it uses less digits than its factorization.

12133433111242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135354.

The product of its digits is 10368, while the sum is 31.

Adding to 12133433111242 its reverse (24211133433121), we get a palindrome (36344566544363).

The spelling of 12133433111242 in words is "twelve trillion, one hundred thirty-three billion, four hundred thirty-three million, one hundred eleven thousand, two hundred forty-two".