10012120187 has 2 divisors, whose sum is σ = 10012120188. Its totient is φ = 10012120186.

The previous prime is 10012120177. The next prime is 10012120193. The reversal of 10012120187 is 78102121001.

10012120187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10012120187 - 2¹² = 10012116091 is a prime.

It is not a weakly prime, because it can be changed into another prime (10012120177) 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, 5006060093 + 5006060094.

It is an arithmetic number, because the mean of its divisors is an integer number (5006060094).

Almost surely, 2^10012120187 is an apocalyptic number.

10012120187 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012120187 is an equidigital number, since it uses as much as digits as its factorization.

10012120187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 10012120187 its reverse (78102121001), we get a palindrome (88114241188).

The spelling of 10012120187 in words is "ten billion, twelve million, one hundred twenty thousand, one hundred eighty-seven".