12238679735111 has 2 divisors, whose sum is σ = 12238679735112. Its totient is φ = 12238679735110.

The previous prime is 12238679735059. The next prime is 12238679735251. The reversal of 12238679735111 is 11153797683221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12238679735111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12238679735311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6119339867555 + 6119339867556.

It is an arithmetic number, because the mean of its divisors is an integer number (6119339867556).

Almost surely, 2^{12238679735111} is an apocalyptic number.

12238679735111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12238679735111 is an equidigital number, since it uses as much as digits as its factorization.

12238679735111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 56.

The spelling of 12238679735111 in words is "twelve trillion, two hundred thirty-eight billion, six hundred seventy-nine million, seven hundred thirty-five thousand, one hundred eleven".