1203221030203 has 4 divisors (see below), whose sum is σ = 1273998737880. Its totient is φ = 1132443322528.

The previous prime is 1203221030161. The next prime is 1203221030233. The reversal of 1203221030203 is 3020301223021.

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 1203221030203 - 2²⁹ = 1202684159291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203221030233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35388853813 + ... + 35388853846.

It is an arithmetic number, because the mean of its divisors is an integer number (318499684470).

Almost surely, 2^{1203221030203} is an apocalyptic number.

1203221030203 is a deficient number, since it is larger than the sum of its proper divisors (70777707677).

1203221030203 is an equidigital number, since it uses as much as digits as its factorization.

1203221030203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70777707676.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1203221030203 its reverse (3020301223021), we get a palindrome (4223522253224).

The spelling of 1203221030203 in words is "one trillion, two hundred three billion, two hundred twenty-one million, thirty thousand, two hundred three".