12243112340 has 96 divisors (see below), whose sum is σ = 26557372800. Its totient is φ = 4739328000.

The previous prime is 12243112339. The next prime is 12243112369. The reversal of 12243112340 is 4321134221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29934056 + ... + 29934464.

It is an arithmetic number, because the mean of its divisors is an integer number (276639300).

Almost surely, 2^12243112340 is an apocalyptic number.

12243112340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12243112340 is an abundant number, since it is smaller than the sum of its proper divisors (14314260460).

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

12243112340 is a wasteful number, since it uses less digits than its factorization.

12243112340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 823 counting only the distinct ones).

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

Adding to 12243112340 its reverse (4321134221), we get a palindrome (16564246561).

The spelling of 12243112340 in words is "twelve billion, two hundred forty-three million, one hundred twelve thousand, three hundred forty".