12113301240 has 192 divisors, whose sum is σ = 41374476000. Its totient is φ = 3069674496.

The previous prime is 12113301217. The next prime is 12113301241. The reversal of 12113301240 is 4210331121.

12113301240 is a `hidden beast` number, since 1 + 211 + 330 + 124 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113301241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 562186 + ... + 583334.

Almost surely, 2^12113301240 is an apocalyptic number.

12113301240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12113301240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20687238000).

12113301240 is an abundant number, since it is smaller than the sum of its proper divisors (29261174760).

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

12113301240 is a wasteful number, since it uses less digits than its factorization.

12113301240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21246 (or 21239 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12113301240 its reverse (4210331121), we get a palindrome (16323632361).

The spelling of 12113301240 in words is "twelve billion, one hundred thirteen million, three hundred one thousand, two hundred forty".