12113123320 has 128 divisors (see below), whose sum is σ = 28119571200. Its totient is φ = 4694962176.

The previous prime is 12113123291. The next prime is 12113123327. The reversal of 12113123320 is 2332131121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113123327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67670991 + ... + 67671169.

It is an arithmetic number, because the mean of its divisors is an integer number (219684150).

Almost surely, 2^12113123320 is an apocalyptic number.

12113123320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113123320 is an abundant number, since it is smaller than the sum of its proper divisors (16006447880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12113123320 is a wasteful number, since it uses less digits than its factorization.

12113123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12113123320 its reverse (2332131121), we get a palindrome (14445254441).

The spelling of 12113123320 in words is "twelve billion, one hundred thirteen million, one hundred twenty-three thousand, three hundred twenty".