12041311340 has 48 divisors (see below), whose sum is σ = 25560232992. Its totient is φ = 4764566016.

The previous prime is 12041311319. The next prime is 12041311349. The reversal of 12041311340 is 4311314021.

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 (12041311349) 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, 1616264 + ... + 1623696.

It is an arithmetic number, because the mean of its divisors is an integer number (532504854).

Almost surely, 2^12041311340 is an apocalyptic number.

12041311340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12041311340 is an abundant number, since it is smaller than the sum of its proper divisors (13518921652).

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

12041311340 is a wasteful number, since it uses less digits than its factorization.

12041311340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8306 (or 8304 counting only the distinct ones).

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

Adding to 12041311340 its reverse (4311314021), we get a palindrome (16352625361).

The spelling of 12041311340 in words is "twelve billion, forty-one million, three hundred eleven thousand, three hundred forty".