12133123187 has 2 divisors, whose sum is σ = 12133123188. Its totient is φ = 12133123186.

The previous prime is 12133123157. The next prime is 12133123217. The reversal of 12133123187 is 78132133121.

It is a balanced prime because it is at equal distance from previous prime (12133123157) and next prime (12133123217).

It is a cyclic number.

It is not a de Polignac number, because 12133123187 - 2¹⁸ = 12132861043 is a prime.

It is not a weakly prime, because it can be changed into another prime (12133123117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066561593 + 6066561594.

It is an arithmetic number, because the mean of its divisors is an integer number (6066561594).

Almost surely, 2^12133123187 is an apocalyptic number.

12133123187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12133123187 is an equidigital number, since it uses as much as digits as its factorization.

12133123187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The spelling of 12133123187 in words is "twelve billion, one hundred thirty-three million, one hundred twenty-three thousand, one hundred eighty-seven".