12112301321 has 8 divisors (see below), whose sum is σ = 12829653504. Its totient is φ = 11395489600.

The previous prime is 12112301281. The next prime is 12112301323. The reversal of 12112301321 is 12310321121.

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 12112301321 - 2²² = 12108107017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 12112301321.

It is not an unprimeable number, because it can be changed into a prime (12112301323) 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, 88505 + ... + 179046.

It is an arithmetic number, because the mean of its divisors is an integer number (1603706688).

Almost surely, 2^12112301321 is an apocalyptic number.

It is an amenable number.

12112301321 is a deficient number, since it is larger than the sum of its proper divisors (717352183).

12112301321 is a wasteful number, since it uses less digits than its factorization.

12112301321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270231.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12112301321 its reverse (12310321121), we get a palindrome (24422622442).

The spelling of 12112301321 in words is "twelve billion, one hundred twelve million, three hundred one thousand, three hundred twenty-one".