12112002320 has 160 divisors (see below), whose sum is σ = 31355493120. Its totient is φ = 4314193920.

The previous prime is 12112002313. The next prime is 12112002349. The reversal of 12112002320 is 2320021121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12112002295 and 12112002304.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10727516 + ... + 10728644.

It is an arithmetic number, because the mean of its divisors is an integer number (195971832).

Almost surely, 2^12112002320 is an apocalyptic number.

12112002320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12112002320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15677746560).

12112002320 is an abundant number, since it is smaller than the sum of its proper divisors (19243490800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12112002320 is a wasteful number, since it uses less digits than its factorization.

12112002320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12112002320 its reverse (2320021121), we get a palindrome (14432023441).

The spelling of 12112002320 in words is "twelve billion, one hundred twelve million, two thousand, three hundred twenty".