201012187 has 2 divisors, whose sum is σ = 201012188. Its totient is φ = 201012186.

The previous prime is 201012169. The next prime is 201012221. The reversal of 201012187 is 781210102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201012187 - 2⁷ = 201012059 is a prime.

It is not a weakly prime, because it can be changed into another prime (201012787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506093 + 100506094.

It is an arithmetic number, because the mean of its divisors is an integer number (100506094).

Almost surely, 2^201012187 is an apocalyptic number.

201012187 is a deficient number, since it is larger than the sum of its proper divisors (1).

201012187 is an equidigital number, since it uses as much as digits as its factorization.

201012187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 201012187 is about 14177.8766745941. The cubic root of 201012187 is about 585.7884389303.

Adding to 201012187 its reverse (781210102), we get a palindrome (982222289).

The spelling of 201012187 in words is "two hundred one million, twelve thousand, one hundred eighty-seven".