12262444426221 has 64 divisors (see below), whose sum is σ = 18725066680320. Its totient is φ = 7069769360640.

The previous prime is 12262444426189. The next prime is 12262444426229.

12262444426221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12262444426221 - 2⁵ = 12262444426189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12262444426229) 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 63 ways as a sum of consecutive naturals, for example, 19102746 + ... + 19734228.

It is an arithmetic number, because the mean of its divisors is an integer number (292579166880).

Almost surely, 2^{12262444426221} is an apocalyptic number.

12262444426221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12262444426221 is a deficient number, since it is larger than the sum of its proper divisors (6462622254099).

12262444426221 is a wasteful number, since it uses less digits than its factorization.

12262444426221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631826.

The product of its digits is 589824, while the sum is 42.

The spelling of 12262444426221 in words is "twelve trillion, two hundred sixty-two billion, four hundred forty-four million, four hundred twenty-six thousand, two hundred twenty-one".