12113411240 has 64 divisors (see below), whose sum is σ = 32788195200. Its totient is φ = 3934579968.

The previous prime is 12113411227. The next prime is 12113411243. The reversal of 12113411240 is 4211431121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (12113411243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1133159 + ... + 1143798.

It is an arithmetic number, because the mean of its divisors is an integer number (512315550).

Almost surely, 2^12113411240 is an apocalyptic number.

12113411240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113411240 is an abundant number, since it is smaller than the sum of its proper divisors (20674783960).

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

12113411240 is a wasteful number, since it uses less digits than its factorization.

12113411240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276994 (or 2276990 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12113411240 its reverse (4211431121), we get a palindrome (16324842361).

The spelling of 12113411240 in words is "twelve billion, one hundred thirteen million, four hundred eleven thousand, two hundred forty".