12210440321023 has 16 divisors (see below), whose sum is σ = 14096491375680. Its totient is φ = 10359866880000.

The previous prime is 12210440320997. The next prime is 12210440321029. The reversal of 12210440321023 is 32012304401221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12210440321023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210440321029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655423 + ... + 4985023.

It is an arithmetic number, because the mean of its divisors is an integer number (881030710980).

Almost surely, 2^{12210440321023} is an apocalyptic number.

12210440321023 is a deficient number, since it is larger than the sum of its proper divisors (1886051054657).

12210440321023 is a wasteful number, since it uses less digits than its factorization.

12210440321023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4333698.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12210440321023 its reverse (32012304401221), we get a palindrome (44222744722244).

The spelling of 12210440321023 in words is "twelve trillion, two hundred ten billion, four hundred forty million, three hundred twenty-one thousand, twenty-three".