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12112332 = 2231009361

12112332 has 12 divisors (see below), whose sum is σ = 28262136. Its totient is φ = 4037440.

The previous prime is 12112319. The next prime is 12112333. The reversal of 12112332 is 23321121.

Adding to 12112332 its reverse (23321121), we get a palindrome (35433453).

12112332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12112333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504669 + ... + 504692.

It is an arithmetic number, because the mean of its divisors is an integer number (2355178).

Almost surely, 212112332 is an apocalyptic number.

12112332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12112332 is an abundant number, since it is smaller than the sum of its proper divisors (16149804).

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

12112332 is a wasteful number, since it uses less digits than its factorization.

12112332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009368 (or 1009366 counting only the distinct ones).

The product of its digits is 72, while the sum is 15.

The square root of 12112332 is about 3480.2775751368. The cubic root of 12112332 is about 229.6550089355.

The spelling of 12112332 in words is "twelve million, one hundred twelve thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 1009361 2018722 3028083 4037444 6056166 12112332