12340002240442 has 16 divisors (see below), whose sum is σ = 19136169591552. Its totient is φ = 5963487742800.

The previous prime is 12340002240421. The next prime is 12340002240557. The reversal of 12340002240442 is 24404220004321.

It is a super-2 number, since 2×12340002240442² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12340002240442.

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, 552163618 + ... + 552185965.

It is an arithmetic number, because the mean of its divisors is an integer number (1196010599472).

Almost surely, 2^{12340002240442} is an apocalyptic number.

12340002240442 is a deficient number, since it is larger than the sum of its proper divisors (6796167351110).

12340002240442 is a wasteful number, since it uses less digits than its factorization.

12340002240442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104349773.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 12340002240442 its reverse (24404220004321), we get a palindrome (36744222244763).

The spelling of 12340002240442 in words is "twelve trillion, three hundred forty billion, two million, two hundred forty thousand, four hundred forty-two".