12213323322123 has 16 divisors (see below), whose sum is σ = 20302667341056. Its totient is φ = 6344583543840.

The previous prime is 12213323322113. The next prime is 12213323322157. The reversal of 12213323322123 is 32122332331221.

It is not a de Polignac number, because 12213323322123 - 2²⁵ = 12213289767691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12213323322113) 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, 26435764536 + ... + 26435764997.

It is an arithmetic number, because the mean of its divisors is an integer number (1268916708816).

Almost surely, 2^{12213323322123} is an apocalyptic number.

12213323322123 is a deficient number, since it is larger than the sum of its proper divisors (8089344018933).

12213323322123 is a wasteful number, since it uses less digits than its factorization.

12213323322123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52871529554.

The product of its digits is 15552, while the sum is 30.

Adding to 12213323322123 its reverse (32122332331221), we get a palindrome (44335655653344).

The spelling of 12213323322123 in words is "twelve trillion, two hundred thirteen billion, three hundred twenty-three million, three hundred twenty-two thousand, one hundred twenty-three".