12123113123002 has 48 divisors (see below), whose sum is σ = 21187619697960. Its totient is φ = 5187269348352.

The previous prime is 12123113122951. The next prime is 12123113123003. The reversal of 12123113123002 is 20032131132121.

It can be written as a sum of positive squares in 4 ways, for example, as 7846939935121 + 4276173187881 = 2801239^2 + 2067891^2 .

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 23 ways as a sum of consecutive naturals, for example, 167806624 + ... + 167878852.

Almost surely, 2^{12123113123002} is an apocalyptic number.

12123113123002 is a deficient number, since it is larger than the sum of its proper divisors (9064506574958).

12123113123002 is a wasteful number, since it uses less digits than its factorization.

12123113123002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74975 (or 74968 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12123113123002 its reverse (20032131132121), we get a palindrome (32155244255123).

The spelling of 12123113123002 in words is "twelve trillion, one hundred twenty-three billion, one hundred thirteen million, one hundred twenty-three thousand, two".