12113403140 has 24 divisors (see below), whose sum is σ = 26258733312. Its totient is φ = 4689059040.

The previous prime is 12113403139. The next prime is 12113403199. The reversal of 12113403140 is 4130431121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9768254 + ... + 9769493.

It is an arithmetic number, because the mean of its divisors is an integer number (1094113888).

Almost surely, 2^12113403140 is an apocalyptic number.

12113403140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113403140 is an abundant number, since it is smaller than the sum of its proper divisors (14145330172).

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

12113403140 is a wasteful number, since it uses less digits than its factorization.

12113403140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19537787 (or 19537785 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12113403140 its reverse (4130431121), we get a palindrome (16243834261).

The spelling of 12113403140 in words is "twelve billion, one hundred thirteen million, four hundred three thousand, one hundred forty".