12111340012243 has 8 divisors (see below), whose sum is σ = 12279059818016. Its totient is φ = 11943669153600.

The previous prime is 12111340012229. The next prime is 12111340012297. The reversal of 12111340012243 is 34221004311121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12111340012243 - 2³³ = 12102750077651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111370012243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11738343 + ... + 12728368.

It is an arithmetic number, because the mean of its divisors is an integer number (1534882477252).

Almost surely, 2^{12111340012243} is an apocalyptic number.

12111340012243 is a deficient number, since it is larger than the sum of its proper divisors (167719805773).

12111340012243 is an equidigital number, since it uses as much as digits as its factorization.

12111340012243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24473565.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 12111340012243 its reverse (34221004311121), we get a palindrome (46332344323364).

The spelling of 12111340012243 in words is "twelve trillion, one hundred eleven billion, three hundred forty million, twelve thousand, two hundred forty-three".