12102302123 has 4 divisors (see below), whose sum is σ = 12103466640. Its totient is φ = 12101137608.

The previous prime is 12102302117. The next prime is 12102302129. The reversal of 12102302123 is 32120320121.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12102302117) and next prime (12102302129).

It is a cyclic number.

It is not a de Polignac number, because 12102302123 - 2¹⁴ = 12102285739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102302129) 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 3 ways as a sum of consecutive naturals, for example, 566528 + ... + 587501.

It is an arithmetic number, because the mean of its divisors is an integer number (3025866660).

Almost surely, 2^12102302123 is an apocalyptic number.

12102302123 is a deficient number, since it is larger than the sum of its proper divisors (1164517).

12102302123 is a wasteful number, since it uses less digits than its factorization.

12102302123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164516.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12102302123 its reverse (32120320121), we get a palindrome (44222622244).

The spelling of 12102302123 in words is "twelve billion, one hundred two million, three hundred two thousand, one hundred twenty-three".