12232123187 has 2 divisors, whose sum is σ = 12232123188. Its totient is φ = 12232123186.

The previous prime is 12232123159. The next prime is 12232123219. The reversal of 12232123187 is 78132123221.

It is an a-pointer prime, because the next prime (12232123219) can be obtained adding 12232123187 to its sum of digits (32).

It is a weak prime.

It is an emirp because it is prime and its reverse (78132123221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12232123187 - 2²² = 12227928883 is a prime.

It is not a weakly prime, because it can be changed into another prime (12232128187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116061593 + 6116061594.

It is an arithmetic number, because the mean of its divisors is an integer number (6116061594).

Almost surely, 2^12232123187 is an apocalyptic number.

12232123187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12232123187 is an equidigital number, since it uses as much as digits as its factorization.

12232123187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The spelling of 12232123187 in words is "twelve billion, two hundred thirty-two million, one hundred twenty-three thousand, one hundred eighty-seven".