12111003331012 has 24 divisors (see below), whose sum is σ = 22407165468800. Its totient is φ = 5711739554016.

The previous prime is 12111003330997. The next prime is 12111003331019. The reversal of 12111003331012 is 21013330011121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (12111003331019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347919948 + ... + 347954755.

Almost surely, 2^{12111003331012} is an apocalyptic number.

It is an amenable number.

12111003331012 is a deficient number, since it is larger than the sum of its proper divisors (10296162137788).

12111003331012 is a wasteful number, since it uses less digits than its factorization.

12111003331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695874955 (or 695874953 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12111003331012 its reverse (21013330011121), we get a palindrome (33124333342133).

The spelling of 12111003331012 in words is "twelve trillion, one hundred eleven billion, three million, three hundred thirty-one thousand, twelve".