12221325767416 has 16 divisors (see below), whose sum is σ = 23447892461400. Its totient is φ = 5968554444384.

The previous prime is 12221325767407. The next prime is 12221325767479. The reversal of 12221325767416 is 61476752312221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12221325767416.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17763554551 + ... + 17763555238.

Almost surely, 2^{12221325767416} is an apocalyptic number.

It is an amenable number.

12221325767416 is a deficient number, since it is larger than the sum of its proper divisors (11226566693984).

12221325767416 is a wasteful number, since it uses less digits than its factorization.

12221325767416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35527109838 (or 35527109834 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 49.

The spelling of 12221325767416 in words is "twelve trillion, two hundred twenty-one billion, three hundred twenty-five million, seven hundred sixty-seven thousand, four hundred sixteen".