12250205230242 has 32 divisors (see below), whose sum is σ = 28178816049792. Its totient is φ = 3477765268224.

The previous prime is 12250205230213. The next prime is 12250205230313. The reversal of 12250205230242 is 24203250205221.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 928883703 + ... + 928896890.

It is an arithmetic number, because the mean of its divisors is an integer number (880588001556).

Almost surely, 2^{12250205230242} is an apocalyptic number.

12250205230242 is an abundant number, since it is smaller than the sum of its proper divisors (15928610819550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12250205230242 is a wasteful number, since it uses less digits than its factorization.

12250205230242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857780762.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 12250205230242 its reverse (24203250205221), we get a palindrome (36453455435463).

The spelling of 12250205230242 in words is "twelve trillion, two hundred fifty billion, two hundred five million, two hundred thirty thousand, two hundred forty-two".