12212251332123 has 32 divisors (see below), whose sum is σ = 17400349454400. Its totient is φ = 7591700422656.

The previous prime is 12212251332107. The next prime is 12212251332131. The reversal of 12212251332123 is 32123315221221.

It is not a de Polignac number, because 12212251332123 - 2⁴ = 12212251332107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12212251332103) 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 31 ways as a sum of consecutive naturals, for example, 77908915 + ... + 78065507.

It is an arithmetic number, because the mean of its divisors is an integer number (543760920450).

Almost surely, 2^{12212251332123} is an apocalyptic number.

12212251332123 is a deficient number, since it is larger than the sum of its proper divisors (5188098122277).

12212251332123 is a wasteful number, since it uses less digits than its factorization.

12212251332123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170751.

The product of its digits is 8640, while the sum is 30.

Adding to 12212251332123 its reverse (32123315221221), we get a palindrome (44335566553344).

The spelling of 12212251332123 in words is "twelve trillion, two hundred twelve billion, two hundred fifty-one million, three hundred thirty-two thousand, one hundred twenty-three".