12221331012301 has 4 divisors (see below), whose sum is σ = 12940232836572. Its totient is φ = 11502429188032.

The previous prime is 12221331012281. The next prime is 12221331012337. The reversal of 12221331012301 is 10321013312221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5612184690025 + 6609146322276 = 2369005^2 + 2570826^2 .

It is a cyclic number.

It is not a de Polignac number, because 12221331012301 - 2¹¹ = 12221331010253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221331012391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359450912110 + ... + 359450912143.

It is an arithmetic number, because the mean of its divisors is an integer number (3235058209143).

Almost surely, 2^{12221331012301} is an apocalyptic number.

It is an amenable number.

12221331012301 is a deficient number, since it is larger than the sum of its proper divisors (718901824271).

12221331012301 is an equidigital number, since it uses as much as digits as its factorization.

12221331012301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718901824270.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12221331012301 its reverse (10321013312221), we get a palindrome (22542344324522).

The spelling of 12221331012301 in words is "twelve trillion, two hundred twenty-one billion, three hundred thirty-one million, twelve thousand, three hundred one".