112122012121187 has 2 divisors, whose sum is σ = 112122012121188. Its totient is φ = 112122012121186.

The previous prime is 112122012121177. The next prime is 112122012121237. The reversal of 112122012121187 is 781121210221211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112122012121187 - 2¹² = 112122012117091 is a prime.

It is not a weakly prime, because it can be changed into another prime (112122012121177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56061006060593 + 56061006060594.

It is an arithmetic number, because the mean of its divisors is an integer number (56061006060594).

Almost surely, 2^{112122012121187} is an apocalyptic number.

112122012121187 is a deficient number, since it is larger than the sum of its proper divisors (1).

112122012121187 is an equidigital number, since it uses as much as digits as its factorization.

112122012121187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 32.

Adding to 112122012121187 its reverse (781121210221211), we get a palindrome (893243222342398).

The spelling of 112122012121187 in words is "one hundred twelve trillion, one hundred twenty-two billion, twelve million, one hundred twenty-one thousand, one hundred eighty-seven".