112187123999 has 2 divisors, whose sum is σ = 112187124000. Its totient is φ = 112187123998.

The previous prime is 112187123981. The next prime is 112187124067. The reversal of 112187123999 is 999321781211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112187123999 - 2¹² = 112187119903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112187123999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112189123999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56093561999 + 56093562000.

It is an arithmetic number, because the mean of its divisors is an integer number (56093562000).

Almost surely, 2^112187123999 is an apocalyptic number.

112187123999 is a deficient number, since it is larger than the sum of its proper divisors (1).

112187123999 is an equidigital number, since it uses as much as digits as its factorization.

112187123999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 53.

The spelling of 112187123999 in words is "one hundred twelve billion, one hundred eighty-seven million, one hundred twenty-three thousand, nine hundred ninety-nine".