12221012323 has 8 divisors (see below), whose sum is σ = 13357525328. Its totient is φ = 11112561504.

The previous prime is 12221012317. The next prime is 12221012339. The reversal of 12221012323 is 32321012221.

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

It is a cyclic number.

It is not a de Polignac number, because 12221012323 - 2⁵ = 12221012291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12221012323.

It is not an unprimeable number, because it can be changed into a prime (12221018323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7014636 + ... + 7016377.

It is an arithmetic number, because the mean of its divisors is an integer number (1669690666).

Almost surely, 2^12221012323 is an apocalyptic number.

12221012323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12221012323 is a deficient number, since it is larger than the sum of its proper divisors (1136513005).

12221012323 is a wasteful number, since it uses less digits than its factorization.

12221012323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14031093.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12221012323 its reverse (32321012221), we get a palindrome (44542024544).

The spelling of 12221012323 in words is "twelve billion, two hundred twenty-one million, twelve thousand, three hundred twenty-three".