12165452123 has 8 divisors (see below), whose sum is σ = 13848420096. Its totient is φ = 10578653800.

The previous prime is 12165452053. The next prime is 12165452203. The reversal of 12165452123 is 32125456121.

12165452123 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 not a de Polignac number, because 12165452123 - 2¹⁸ = 12165189979 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12165452123.

It is not an unprimeable number, because it can be changed into a prime (12165452023) 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, 24042143 + ... + 24042648.

It is an arithmetic number, because the mean of its divisors is an integer number (1731052512).

Almost surely, 2^12165452123 is an apocalyptic number.

12165452123 is a deficient number, since it is larger than the sum of its proper divisors (1682967973).

12165452123 is a wasteful number, since it uses less digits than its factorization.

12165452123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48084825.

The product of its digits is 14400, while the sum is 32.

The spelling of 12165452123 in words is "twelve billion, one hundred sixty-five million, four hundred fifty-two thousand, one hundred twenty-three".