12341213240 has 96 divisors (see below), whose sum is σ = 30055250880. Its totient is φ = 4558215168.

The previous prime is 12341213221. The next prime is 12341213267. The reversal of 12341213240 is 4231214321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 602609 + ... + 622751.

It is an arithmetic number, because the mean of its divisors is an integer number (313075530).

Almost surely, 2^12341213240 is an apocalyptic number.

12341213240 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 12341213240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15027625440).

12341213240 is an abundant number, since it is smaller than the sum of its proper divisors (17714037640).

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

12341213240 is a wasteful number, since it uses less digits than its factorization.

12341213240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20241 (or 20220 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12341213240 its reverse (4231214321), we get a palindrome (16572427561).

The spelling of 12341213240 in words is "twelve billion, three hundred forty-one million, two hundred thirteen thousand, two hundred forty".