1200403131163 has 2 divisors, whose sum is σ = 1200403131164. Its totient is φ = 1200403131162.

The previous prime is 1200403131139. The next prime is 1200403131203. The reversal of 1200403131163 is 3611313040021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200403131163 - 2²¹ = 1200401034011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200406131163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600201565581 + 600201565582.

It is an arithmetic number, because the mean of its divisors is an integer number (600201565582).

Almost surely, 2^{1200403131163} is an apocalyptic number.

1200403131163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200403131163 is an equidigital number, since it uses as much as digits as its factorization.

1200403131163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 1200403131163 its reverse (3611313040021), we get a palindrome (4811716171184).

The spelling of 1200403131163 in words is "one trillion, two hundred billion, four hundred three million, one hundred thirty-one thousand, one hundred sixty-three".