12111112312337 has 2 divisors, whose sum is σ = 12111112312338. Its totient is φ = 12111112312336.

The previous prime is 12111112312291. The next prime is 12111112312357. The reversal of 12111112312337 is 73321321111121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12023688015361 + 87424296976 = 3467519^2 + 295676^2 .

It is an emirp because it is prime and its reverse (73321321111121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12111112312337 - 2⁸ = 12111112312081 is a prime.

It is not a weakly prime, because it can be changed into another prime (12111112312357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055556156168 + 6055556156169.

It is an arithmetic number, because the mean of its divisors is an integer number (6055556156169).

Almost surely, 2^{12111112312337} is an apocalyptic number.

It is an amenable number.

12111112312337 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111112312337 is an equidigital number, since it uses as much as digits as its factorization.

12111112312337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 29.

Adding to 12111112312337 its reverse (73321321111121), we get a palindrome (85432433423458).

The spelling of 12111112312337 in words is "twelve trillion, one hundred eleven billion, one hundred twelve million, three hundred twelve thousand, three hundred thirty-seven".