12221232303121 has 16 divisors (see below), whose sum is σ = 12518405902080. Its totient is φ = 11928360787200.

The previous prime is 12221232303097. The next prime is 12221232303151. The reversal of 12221232303121 is 12130323212221.

12221232303121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12221232303121 - 2¹⁷ = 12221232172049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221232303151) 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, 739596 + ... + 4998946.

It is an arithmetic number, because the mean of its divisors is an integer number (782400368880).

Almost surely, 2^{12221232303121} is an apocalyptic number.

It is an amenable number.

12221232303121 is a deficient number, since it is larger than the sum of its proper divisors (297173598959).

12221232303121 is a wasteful number, since it uses less digits than its factorization.

12221232303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259856.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12221232303121 its reverse (12130323212221), we get a palindrome (24351555515342).

The spelling of 12221232303121 in words is "twelve trillion, two hundred twenty-one billion, two hundred thirty-two million, three hundred three thousand, one hundred twenty-one".