12225542652242 has 16 divisors (see below), whose sum is σ = 18557249817600. Its totient is φ = 6039888175200.

The previous prime is 12225542652233. The next prime is 12225542652247. The reversal of 12225542652242 is 24225624552221.

It is a junction number, because it is equal to n+sod(n) for n = 12225542652193 and 12225542652202.

It is not an unprimeable number, because it can be changed into a prime (12225542652247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23608634 + ... + 24120917.

It is an arithmetic number, because the mean of its divisors is an integer number (1159828113600).

Almost surely, 2^{12225542652242} is an apocalyptic number.

12225542652242 is a deficient number, since it is larger than the sum of its proper divisors (6331707165358).

12225542652242 is a wasteful number, since it uses less digits than its factorization.

12225542652242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47731081.

The product of its digits is 1536000, while the sum is 44.

The spelling of 12225542652242 in words is "twelve trillion, two hundred twenty-five billion, five hundred forty-two million, six hundred fifty-two thousand, two hundred forty-two".