12103330311 has 40 divisors (see below), whose sum is σ = 18636048288. Its totient is φ = 7824600000.

The previous prime is 12103330303. The next prime is 12103330313. The reversal of 12103330311 is 11303330121.

It is a happy number.

12103330311 is a `hidden beast` number, since 1 + 21 + 0 + 3 + 330 + 311 = 666.

It is not a de Polignac number, because 12103330311 - 2³ = 12103330303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103330313) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 333561 + ... + 368061.

Almost surely, 2^12103330311 is an apocalyptic number.

12103330311 is a deficient number, since it is larger than the sum of its proper divisors (6532717977).

12103330311 is an equidigital number, since it uses as much as digits as its factorization.

12103330311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34645 (or 34636 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 12103330311 its reverse (11303330121), we get a palindrome (23406660432).

The spelling of 12103330311 in words is "twelve billion, one hundred three million, three hundred thirty thousand, three hundred eleven".