12112401340 has 48 divisors (see below), whose sum is σ = 27414451008. Its totient is φ = 4468713984.

The previous prime is 12112401317. The next prime is 12112401347. The reversal of 12112401340 is 4310421121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112401347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320904 + ... + 356656.

It is an arithmetic number, because the mean of its divisors is an integer number (571134396).

Almost surely, 2^12112401340 is an apocalyptic number.

12112401340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112401340 is an abundant number, since it is smaller than the sum of its proper divisors (15302049668).

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

12112401340 is a wasteful number, since it uses less digits than its factorization.

12112401340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37078 (or 37076 counting only the distinct ones).

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

Adding to 12112401340 its reverse (4310421121), we get a palindrome (16422822461).

The spelling of 12112401340 in words is "twelve billion, one hundred twelve million, four hundred one thousand, three hundred forty".