1201443122203 has 4 divisors (see below), whose sum is σ = 1264676970760. Its totient is φ = 1138209273648.

The previous prime is 1201443122183. The next prime is 1201443122207. The reversal of 1201443122203 is 3022213441021.

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

It is a cyclic number.

It is not a de Polignac number, because 1201443122203 - 2⁵ = 1201443122171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201443122207) 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 3 ways as a sum of consecutive naturals, for example, 31616924250 + ... + 31616924287.

It is an arithmetic number, because the mean of its divisors is an integer number (316169242690).

Almost surely, 2^{1201443122203} is an apocalyptic number.

1201443122203 is a deficient number, since it is larger than the sum of its proper divisors (63233848557).

1201443122203 is an equidigital number, since it uses as much as digits as its factorization.

1201443122203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63233848556.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1201443122203 its reverse (3022213441021), we get a palindrome (4223656563224).

The spelling of 1201443122203 in words is "one trillion, two hundred one billion, four hundred forty-three million, one hundred twenty-two thousand, two hundred three".