1012002201187 has 2 divisors, whose sum is σ = 1012002201188. Its totient is φ = 1012002201186.

The previous prime is 1012002201137. The next prime is 1012002201211. The reversal of 1012002201187 is 7811022002101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012002201187 - 2⁷ = 1012002201059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012002201107) 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, 506001100593 + 506001100594.

It is an arithmetic number, because the mean of its divisors is an integer number (506001100594).

Almost surely, 2^{1012002201187} is an apocalyptic number.

1012002201187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012002201187 is an equidigital number, since it uses as much as digits as its factorization.

1012002201187 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 25.

Adding to 1012002201187 its reverse (7811022002101), we get a palindrome (8823024203288).

The spelling of 1012002201187 in words is "one trillion, twelve billion, two million, two hundred one thousand, one hundred eighty-seven".