12340111011111 has 24 divisors (see below), whose sum is σ = 19209628366656. Its totient is φ = 7588415517120.

The previous prime is 12340111011097. The next prime is 12340111011113. The reversal of 12340111011111 is 11111011104321.

It is not a de Polignac number, because 12340111011111 - 2⁵ = 12340111011079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340111011113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38024895 + ... + 38348048.

It is an arithmetic number, because the mean of its divisors is an integer number (800401181944).

Almost surely, 2^{12340111011111} is an apocalyptic number.

12340111011111 is a deficient number, since it is larger than the sum of its proper divisors (6869517355545).

12340111011111 is a wasteful number, since it uses less digits than its factorization.

12340111011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76374343 (or 76374340 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 18.

Adding to 12340111011111 its reverse (11111011104321), we get a palindrome (23451122115432).

The spelling of 12340111011111 in words is "twelve trillion, three hundred forty billion, one hundred eleven million, eleven thousand, one hundred eleven".