12023231420242 has 16 divisors (see below), whose sum is σ = 20734674549120. Its totient is φ = 5121958294368.

The previous prime is 12023231420203. The next prime is 12023231420261. The reversal of 12023231420242 is 24202413232021.

It is a self number, because there is not a number n which added to its sum of digits gives 12023231420242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2571261867 + ... + 2571266542.

It is an arithmetic number, because the mean of its divisors is an integer number (1295917159320).

Almost surely, 2^{12023231420242} is an apocalyptic number.

12023231420242 is a deficient number, since it is larger than the sum of its proper divisors (8711443128878).

12023231420242 is a wasteful number, since it uses less digits than its factorization.

12023231420242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5142528585.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12023231420242 its reverse (24202413232021), we get a palindrome (36225644652263).

The spelling of 12023231420242 in words is "twelve trillion, twenty-three billion, two hundred thirty-one million, four hundred twenty thousand, two hundred forty-two".