12025680240842 has 16 divisors (see below), whose sum is σ = 18200399697792. Its totient is φ = 5958893478720.

The previous prime is 12025680240839. The next prime is 12025680240857. The reversal of 12025680240842 is 24804208652021.

It is a junction number, because it is equal to n+sod(n) for n = 12025680240793 and 12025680240802.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1447088 + ... + 5113259.

It is an arithmetic number, because the mean of its divisors is an integer number (1137524981112).

Almost surely, 2^{12025680240842} is an apocalyptic number.

12025680240842 is a deficient number, since it is larger than the sum of its proper divisors (6174719456950).

12025680240842 is a wasteful number, since it uses less digits than its factorization.

12025680240842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6568573.

The product of its (nonzero) digits is 491520, while the sum is 44.

Adding to 12025680240842 its reverse (24804208652021), we get a palindrome (36829888892863).

The spelling of 12025680240842 in words is "twelve trillion, twenty-five billion, six hundred eighty million, two hundred forty thousand, eight hundred forty-two".