12323212111 has 8 divisors (see below), whose sum is σ = 14154444800. Its totient is φ = 10509672888.

The previous prime is 12323212103. The next prime is 12323212117. The reversal of 12323212111 is 11121232321.

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 12323212111 - 2³ = 12323212103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323212117) 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, 4421871 + ... + 4424656.

It is an arithmetic number, because the mean of its divisors is an integer number (1769305600).

Almost surely, 2^12323212111 is an apocalyptic number.

12323212111 is a deficient number, since it is larger than the sum of its proper divisors (1831232689).

12323212111 is an equidigital number, since it uses as much as digits as its factorization.

12323212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8846733.

The product of its digits is 144, while the sum is 19.

Adding to 12323212111 its reverse (11121232321), we get a palindrome (23444444432).

The spelling of 12323212111 in words is "twelve billion, three hundred twenty-three million, two hundred twelve thousand, one hundred eleven".