120012121212187 has 2 divisors, whose sum is σ = 120012121212188. Its totient is φ = 120012121212186.

The previous prime is 120012121212169. The next prime is 120012121212241. The reversal of 120012121212187 is 781212121210021.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (781212121210021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120012121212187 - 2¹¹ = 120012121210139 is a prime.

It is not a weakly prime, because it can be changed into another prime (120012121212107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006060606093 + 60006060606094.

It is an arithmetic number, because the mean of its divisors is an integer number (60006060606094).

Almost surely, 2^{120012121212187} is an apocalyptic number.

120012121212187 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012121212187 is an equidigital number, since it uses as much as digits as its factorization.

120012121212187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 31.

The spelling of 120012121212187 in words is "one hundred twenty trillion, twelve billion, one hundred twenty-one million, two hundred twelve thousand, one hundred eighty-seven".