12303111187 has 2 divisors, whose sum is σ = 12303111188. Its totient is φ = 12303111186.

The previous prime is 12303111151. The next prime is 12303111221. The reversal of 12303111187 is 78111130321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12303111187 is a prime.

It is not a weakly prime, because it can be changed into another prime (12303111127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151555593 + 6151555594.

It is an arithmetic number, because the mean of its divisors is an integer number (6151555594).

Almost surely, 2^12303111187 is an apocalyptic number.

12303111187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12303111187 is an equidigital number, since it uses as much as digits as its factorization.

12303111187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 12303111187 in words is "twelve billion, three hundred three million, one hundred eleven thousand, one hundred eighty-seven".