12106183987 has 2 divisors, whose sum is σ = 12106183988. Its totient is φ = 12106183986.

The previous prime is 12106183979. The next prime is 12106183997. The reversal of 12106183987 is 78938160121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12106183987 - 2³ = 12106183979 is a prime.

It is not a weakly prime, because it can be changed into another prime (12106183997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6053091993 + 6053091994.

It is an arithmetic number, because the mean of its divisors is an integer number (6053091994).

Almost surely, 2^12106183987 is an apocalyptic number.

12106183987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12106183987 is an equidigital number, since it uses as much as digits as its factorization.

12106183987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 12106183987 in words is "twelve billion, one hundred six million, one hundred eighty-three thousand, nine hundred eighty-seven".