12221342234773 has 16 divisors (see below), whose sum is σ = 14448678027264. Its totient is φ = 10115811071280.

The previous prime is 12221342234713. The next prime is 12221342234779. The reversal of 12221342234773 is 37743224312221.

It is a cyclic number.

It is not a de Polignac number, because 12221342234773 - 2¹⁷ = 12221342103701 is a prime.

It is a super-2 number, since 2×12221342234773² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221342234779) 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 15 ways as a sum of consecutive naturals, for example, 60197965 + ... + 60400642.

It is an arithmetic number, because the mean of its divisors is an integer number (903042376704).

Almost surely, 2^{12221342234773} is an apocalyptic number.

It is an amenable number.

12221342234773 is a deficient number, since it is larger than the sum of its proper divisors (2227335792491).

12221342234773 is a wasteful number, since it uses less digits than its factorization.

12221342234773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120599112.

The product of its digits is 677376, while the sum is 43.

Adding to 12221342234773 its reverse (37743224312221), we get a palindrome (49964566546994).

The spelling of 12221342234773 in words is "twelve trillion, two hundred twenty-one billion, three hundred forty-two million, two hundred thirty-four thousand, seven hundred seventy-three".