203012103211187 has 2 divisors, whose sum is σ = 203012103211188. Its totient is φ = 203012103211186.

The previous prime is 203012103211163. The next prime is 203012103211249. The reversal of 203012103211187 is 781112301210302.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203012103211187 is a prime.

It is not a weakly prime, because it can be changed into another prime (203012109211187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101506051605593 + 101506051605594.

It is an arithmetic number, because the mean of its divisors is an integer number (101506051605594).

Almost surely, 2^{203012103211187} is an apocalyptic number.

203012103211187 is a deficient number, since it is larger than the sum of its proper divisors (1).

203012103211187 is an equidigital number, since it uses as much as digits as its factorization.

203012103211187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

Adding to 203012103211187 its reverse (781112301210302), we get a palindrome (984124404421489).

The spelling of 203012103211187 in words is "two hundred three trillion, twelve billion, one hundred three million, two hundred eleven thousand, one hundred eighty-seven".