12211223512223 has 8 divisors (see below), whose sum is σ = 12743006829408. Its totient is φ = 11679511908064.

The previous prime is 12211223512181. The next prime is 12211223512237. The reversal of 12211223512223 is 32221532211221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12211223512223 - 2¹⁴ = 12211223495839 is a prime.

It is a super-2 number, since 2×12211223512223² (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 (12211223512283) 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 7 ways as a sum of consecutive naturals, for example, 17580140 + ... + 18261537.

It is an arithmetic number, because the mean of its divisors is an integer number (1592875853676).

Almost surely, 2^{12211223512223} is an apocalyptic number.

12211223512223 is a deficient number, since it is larger than the sum of its proper divisors (531783317185).

12211223512223 is a wasteful number, since it uses less digits than its factorization.

12211223512223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35856513.

The product of its digits is 5760, while the sum is 29.

Adding to 12211223512223 its reverse (32221532211221), we get a palindrome (44432755723444).

The spelling of 12211223512223 in words is "twelve trillion, two hundred eleven billion, two hundred twenty-three million, five hundred twelve thousand, two hundred twenty-three".