1203030323211 has 16 divisors (see below), whose sum is σ = 1694290273280. Its totient is φ = 758098625760.

The previous prime is 1203030323207. The next prime is 1203030323213. The reversal of 1203030323211 is 1123230303021.

It is not a de Polignac number, because 1203030323211 - 2² = 1203030323207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203030323213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150412396 + ... + 150420393.

It is an arithmetic number, because the mean of its divisors is an integer number (105893142080).

Almost surely, 2^{1203030323211} is an apocalyptic number.

1203030323211 is a deficient number, since it is larger than the sum of its proper divisors (491259950069).

1203030323211 is a wasteful number, since it uses less digits than its factorization.

1203030323211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300832866.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1203030323211 its reverse (1123230303021), we get a palindrome (2326260626232).

The spelling of 1203030323211 in words is "one trillion, two hundred three billion, thirty million, three hundred twenty-three thousand, two hundred eleven".