1201331201203 has 16 divisors (see below), whose sum is σ = 1385762456320. Its totient is φ = 1020106029600.

The previous prime is 1201331201201. The next prime is 1201331201227. The reversal of 1201331201203 is 3021021331021.

It is not a de Polignac number, because 1201331201203 - 2¹ = 1201331201201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201331201201) 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 in 15 ways as a sum of consecutive naturals, for example, 4893868 + ... + 5133478.

It is an arithmetic number, because the mean of its divisors is an integer number (86610153520).

Almost surely, 2^{1201331201203} is an apocalyptic number.

1201331201203 is a deficient number, since it is larger than the sum of its proper divisors (184431255117).

1201331201203 is a wasteful number, since it uses less digits than its factorization.

1201331201203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246298.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1201331201203 its reverse (3021021331021), we get a palindrome (4222352532224).

The spelling of 1201331201203 in words is "one trillion, two hundred one billion, three hundred thirty-one million, two hundred one thousand, two hundred three".