12123113123001 has 16 divisors (see below), whose sum is σ = 17181578516544. Its totient is φ = 7577061310464.

The previous prime is 12123113122951. The next prime is 12123113123003. The reversal of 12123113123001 is 10032131132121.

It is not a de Polignac number, because 12123113123001 - 2¹⁴ = 12123113106617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12123113123003) 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 15 ways as a sum of consecutive naturals, for example, 462454015 + ... + 462480228.

It is an arithmetic number, because the mean of its divisors is an integer number (1073848657284).

Almost surely, 2^{12123113123001} is an apocalyptic number.

It is an amenable number.

12123113123001 is a deficient number, since it is larger than the sum of its proper divisors (5058465393543).

12123113123001 is a wasteful number, since it uses less digits than its factorization.

12123113123001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924934520.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12123113123001 its reverse (10032131132121), we get a palindrome (22155244255122).

The spelling of 12123113123001 in words is "twelve trillion, one hundred twenty-three billion, one hundred thirteen million, one hundred twenty-three thousand, one".