102001010212187 has 2 divisors, whose sum is σ = 102001010212188. Its totient is φ = 102001010212186.

The previous prime is 102001010212183. The next prime is 102001010212201. The reversal of 102001010212187 is 781212010100201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102001010212187 - 2² = 102001010212183 is a prime.

It is not a weakly prime, because it can be changed into another prime (102001010212183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000505106093 + 51000505106094.

It is an arithmetic number, because the mean of its divisors is an integer number (51000505106094).

Almost surely, 2^{102001010212187} is an apocalyptic number.

102001010212187 is a deficient number, since it is larger than the sum of its proper divisors (1).

102001010212187 is an equidigital number, since it uses as much as digits as its factorization.

102001010212187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 26.

Adding to 102001010212187 its reverse (781212010100201), we get a palindrome (883213020312388).

The spelling of 102001010212187 in words is "one hundred two trillion, one billion, ten million, two hundred twelve thousand, one hundred eighty-seven".