12112210340 has 12 divisors (see below), whose sum is σ = 25435641756. Its totient is φ = 4844884128.

The previous prime is 12112210301. The next prime is 12112210367. The reversal of 12112210340 is 4301221121.

12112210340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8185182784 + 3927027556 = 90472^2 + 62666^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302805239 + ... + 302805278.

It is an arithmetic number, because the mean of its divisors is an integer number (2119636813).

Almost surely, 2^12112210340 is an apocalyptic number.

12112210340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112210340 is an abundant number, since it is smaller than the sum of its proper divisors (13323431416).

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

12112210340 is a wasteful number, since it uses less digits than its factorization.

12112210340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605610526 (or 605610524 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12112210340 its reverse (4301221121), we get a palindrome (16413431461).

The spelling of 12112210340 in words is "twelve billion, one hundred twelve million, two hundred ten thousand, three hundred forty".