12101122099987 has 2 divisors, whose sum is σ = 12101122099988. Its totient is φ = 12101122099986.

The previous prime is 12101122099973. The next prime is 12101122100009. The reversal of 12101122099987 is 78999022110121.

It is a weak prime.

It is an emirp because it is prime and its reverse (78999022110121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12101122099987 - 2³⁹ = 11551366286099 is a prime.

It is not a weakly prime, because it can be changed into another prime (12101122069987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050561049993 + 6050561049994.

It is an arithmetic number, because the mean of its divisors is an integer number (6050561049994).

Almost surely, 2^{12101122099987} is an apocalyptic number.

12101122099987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101122099987 is an equidigital number, since it uses as much as digits as its factorization.

12101122099987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 52.

The spelling of 12101122099987 in words is "twelve trillion, one hundred one billion, one hundred twenty-two million, ninety-nine thousand, nine hundred eighty-seven".