12100012123 has 8 divisors (see below), whose sum is σ = 12813964128. Its totient is φ = 11386303104.

The previous prime is 12100012103. The next prime is 12100012129. The reversal of 12100012123 is 32121000121.

12100012123 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 12100012123 - 2⁵ = 12100012091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100012129) 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, 47290 + ... + 162592.

It is an arithmetic number, because the mean of its divisors is an integer number (1601745516).

Almost surely, 2^12100012123 is an apocalyptic number.

12100012123 is a deficient number, since it is larger than the sum of its proper divisors (713952005).

12100012123 is a wasteful number, since it uses less digits than its factorization.

12100012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121493.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12100012123 its reverse (32121000121), we get a palindrome (44221012244).

The spelling of 12100012123 in words is "twelve billion, one hundred million, twelve thousand, one hundred twenty-three".