12216372323 has 8 divisors (see below), whose sum is σ = 12475639008. Its totient is φ = 11958171264.

The previous prime is 12216372319. The next prime is 12216372353. The reversal of 12216372323 is 32327361221.

It is a happy number.

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 12216372323 - 2² = 12216372319 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 12216372323.

It is not an unprimeable number, because it can be changed into a prime (12216372313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243215 + ... + 289112.

It is an arithmetic number, because the mean of its divisors is an integer number (1559454876).

Almost surely, 2^12216372323 is an apocalyptic number.

12216372323 is a deficient number, since it is larger than the sum of its proper divisors (259266685).

12216372323 is an equidigital number, since it uses as much as digits as its factorization.

12216372323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532813.

The product of its digits is 18144, while the sum is 32.

The spelling of 12216372323 in words is "twelve billion, two hundred sixteen million, three hundred seventy-two thousand, three hundred twenty-three".