12240342042 has 32 divisors (see below), whose sum is σ = 24692097024. Its totient is φ = 4044927600.

The previous prime is 12240341999. The next prime is 12240342061. The reversal of 12240342042 is 24024304221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1146067 + ... + 1156697.

It is an arithmetic number, because the mean of its divisors is an integer number (771628032).

Almost surely, 2^12240342042 is an apocalyptic number.

12240342042 is an abundant number, since it is smaller than the sum of its proper divisors (12451754982).

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

12240342042 is a wasteful number, since it uses less digits than its factorization.

12240342042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12274.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 12240342042 its reverse (24024304221), we get a palindrome (36264646263).

The spelling of 12240342042 in words is "twelve billion, two hundred forty million, three hundred forty-two thousand, forty-two".