12312048187 has 2 divisors, whose sum is σ = 12312048188. Its totient is φ = 12312048186.

The previous prime is 12312048181. The next prime is 12312048209. The reversal of 12312048187 is 78184021321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12312048187 - 2³ = 12312048179 is a prime.

It is not a weakly prime, because it can be changed into another prime (12312048181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156024093 + 6156024094.

It is an arithmetic number, because the mean of its divisors is an integer number (6156024094).

Almost surely, 2^12312048187 is an apocalyptic number.

12312048187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312048187 is an equidigital number, since it uses as much as digits as its factorization.

12312048187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 12312048187 in words is "twelve billion, three hundred twelve million, forty-eight thousand, one hundred eighty-seven".