12112002406 has 16 divisors (see below), whose sum is σ = 20947182624. Its totient is φ = 5144920704.

The previous prime is 12112002403. The next prime is 12112002421. The reversal of 12112002406 is 60420021121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112002401) 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, 3826485 + ... + 3829648.

It is an arithmetic number, because the mean of its divisors is an integer number (1309198914).

Almost surely, 2^12112002406 is an apocalyptic number.

12112002406 is a deficient number, since it is larger than the sum of its proper divisors (8835180218).

12112002406 is a wasteful number, since it uses less digits than its factorization.

12112002406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7656255.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12112002406 its reverse (60420021121), we get a palindrome (72532023527).

The spelling of 12112002406 in words is "twelve billion, one hundred twelve million, two thousand, four hundred six".