12112303340 has 12 divisors (see below), whose sum is σ = 25435837056. Its totient is φ = 4844921328.

The previous prime is 12112303303. The next prime is 12112303351. The reversal of 12112303340 is 4330321121.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 605615167 = 12112303340 / (1 + 2 + 1 + 1 + 2 + 3 + 0 + 3 + 3 + 4 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302807564 + ... + 302807603.

It is an arithmetic number, because the mean of its divisors is an integer number (2119653088).

Almost surely, 2^12112303340 is an apocalyptic number.

12112303340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112303340 is an abundant number, since it is smaller than the sum of its proper divisors (13323533716).

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

12112303340 is a wasteful number, since it uses less digits than its factorization.

12112303340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605615176 (or 605615174 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12112303340 its reverse (4330321121), we get a palindrome (16442624461).

The spelling of 12112303340 in words is "twelve billion, one hundred twelve million, three hundred three thousand, three hundred forty".