12340283642 has 16 divisors (see below), whose sum is σ = 18595654272. Its totient is φ = 6141774240.

The previous prime is 12340283621. The next prime is 12340283653. The reversal of 12340283642 is 24638204321.

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, 620558 + ... + 640134.

It is an arithmetic number, because the mean of its divisors is an integer number (1162228392).

Almost surely, 2^12340283642 is an apocalyptic number.

12340283642 is a deficient number, since it is larger than the sum of its proper divisors (6255370630).

12340283642 is a wasteful number, since it uses less digits than its factorization.

12340283642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21013.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 12340283642 its reverse (24638204321), we get a palindrome (36978487963).

The spelling of 12340283642 in words is "twelve billion, three hundred forty million, two hundred eighty-three thousand, six hundred forty-two".