12221325767361 has 16 divisors (see below), whose sum is σ = 16489887508800. Its totient is φ = 8050287218688.

The previous prime is 12221325767293. The next prime is 12221325767407. The reversal of 12221325767361 is 16376752312221.

It is not a de Polignac number, because 12221325767361 - 2¹⁰ = 12221325766337 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12221325767361.

It is not an unprimeable number, because it can be changed into a prime (12221325767561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15866791 + ... + 16619196.

It is an arithmetic number, because the mean of its divisors is an integer number (1030617969300).

Almost surely, 2^{12221325767361} is an apocalyptic number.

It is an amenable number.

12221325767361 is a deficient number, since it is larger than the sum of its proper divisors (4268561741439).

12221325767361 is a wasteful number, since it uses less digits than its factorization.

12221325767361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32487488.

The product of its digits is 1270080, while the sum is 48.

The spelling of 12221325767361 in words is "twelve trillion, two hundred twenty-one billion, three hundred twenty-five million, seven hundred sixty-seven thousand, three hundred sixty-one".