12030203111311 has 64 divisors (see below), whose sum is σ = 15281453924352. Its totient is φ = 9198756000000.

The previous prime is 12030203111237. The next prime is 12030203111323. The reversal of 12030203111311 is 11311130203021.

It is not a de Polignac number, because 12030203111311 - 2¹⁹ = 12030202587023 is a prime.

It is a super-2 number, since 2×12030203111311² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030203114311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2896748011 + ... + 2896752163.

It is an arithmetic number, because the mean of its divisors is an integer number (238772717568).

Almost surely, 2^{12030203111311} is an apocalyptic number.

12030203111311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12030203111311 is a deficient number, since it is larger than the sum of its proper divisors (3251250813041).

12030203111311 is a wasteful number, since it uses less digits than its factorization.

12030203111311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6604.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12030203111311 its reverse (11311130203021), we get a palindrome (23341333314332).

The spelling of 12030203111311 in words is "twelve trillion, thirty billion, two hundred three million, one hundred eleven thousand, three hundred eleven".