1203131101201 has 4 divisors (see below), whose sum is σ = 1203321566772. Its totient is φ = 1202940635632.

The previous prime is 1203131101163. The next prime is 1203131101213. The reversal of 1203131101201 is 1021011313021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 446022286801 + 757108814400 = 667849^2 + 870120^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203131101201 - 2¹⁹ = 1203130576913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203131101261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95223310 + ... + 95235943.

It is an arithmetic number, because the mean of its divisors is an integer number (300830391693).

Almost surely, 2^{1203131101201} is an apocalyptic number.

It is an amenable number.

1203131101201 is a deficient number, since it is larger than the sum of its proper divisors (190465571).

1203131101201 is an equidigital number, since it uses as much as digits as its factorization.

1203131101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190465570.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1203131101201 its reverse (1021011313021), we get a palindrome (2224142414222).

The spelling of 1203131101201 in words is "one trillion, two hundred three billion, one hundred thirty-one million, one hundred one thousand, two hundred one".