12340242430 has 16 divisors (see below), whose sum is σ = 22312047744. Its totient is φ = 4913961120.

The previous prime is 12340242427. The next prime is 12340242433. The reversal of 12340242430 is 3424204321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12340242427) and next prime (12340242433).

It is a junction number, because it is equal to n+sod(n) for n = 12340242395 and 12340242404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340242433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2764641 + ... + 2769100.

It is an arithmetic number, because the mean of its divisors is an integer number (1394502984).

Almost surely, 2^12340242430 is an apocalyptic number.

12340242430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12340242430 is a deficient number, since it is larger than the sum of its proper divisors (9971805314).

12340242430 is a wasteful number, since it uses less digits than its factorization.

12340242430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5533971.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 12340242430 its reverse (3424204321), we get a palindrome (15764446751).

The spelling of 12340242430 in words is "twelve billion, three hundred forty million, two hundred forty-two thousand, four hundred thirty".