12111023313 has 32 divisors (see below), whose sum is σ = 18736588800. Its totient is φ = 7717100688.

The previous prime is 12111023293. The next prime is 12111023399. The reversal of 12111023313 is 31332011121.

It is not a de Polignac number, because 12111023313 - 2²¹ = 12108926161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12111023213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 899356 + ... + 912722.

It is an arithmetic number, because the mean of its divisors is an integer number (585518400).

Almost surely, 2^12111023313 is an apocalyptic number.

It is an amenable number.

12111023313 is a deficient number, since it is larger than the sum of its proper divisors (6625565487).

12111023313 is a wasteful number, since it uses less digits than its factorization.

12111023313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14858 (or 14852 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12111023313 its reverse (31332011121), we get a palindrome (43443034434).

The spelling of 12111023313 in words is "twelve billion, one hundred eleven million, twenty-three thousand, three hundred thirteen".