12123020113 has 8 divisors (see below), whose sum is σ = 12653352000. Its totient is φ = 11592958608.

The previous prime is 12123020111. The next prime is 12123020183. The reversal of 12123020113 is 31102032121.

12123020113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12123020113 - 2¹ = 12123020111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12123020111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26863 + ... + 158011.

It is an arithmetic number, because the mean of its divisors is an integer number (1581669000).

Almost surely, 2^12123020113 is an apocalyptic number.

It is an amenable number.

12123020113 is a deficient number, since it is larger than the sum of its proper divisors (530331887).

12123020113 is a wasteful number, since it uses less digits than its factorization.

12123020113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135191.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12123020113 its reverse (31102032121), we get a palindrome (43225052234).

The spelling of 12123020113 in words is "twelve billion, one hundred twenty-three million, twenty thousand, one hundred thirteen".