12112102187 has 2 divisors, whose sum is σ = 12112102188. Its totient is φ = 12112102186.

The previous prime is 12112102169. The next prime is 12112102231. The reversal of 12112102187 is 78120121121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12112102187 - 2²² = 12107907883 is a prime.

It is not a weakly prime, because it can be changed into another prime (12112102157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056051093 + 6056051094.

It is an arithmetic number, because the mean of its divisors is an integer number (6056051094).

Almost surely, 2^12112102187 is an apocalyptic number.

12112102187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112102187 is an equidigital number, since it uses as much as digits as its factorization.

12112102187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 26.

The spelling of 12112102187 in words is "twelve billion, one hundred twelve million, one hundred two thousand, one hundred eighty-seven".