12242040042 has 16 divisors (see below), whose sum is σ = 24485190912. Its totient is φ = 4080494880.

The previous prime is 12242039969. The next prime is 12242040049. The reversal of 12242040042 is 24004024221.

It is not an unprimeable number, because it can be changed into a prime (12242040049) 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, 188958 + ... + 245334.

It is an arithmetic number, because the mean of its divisors is an integer number (1530324432).

Almost surely, 2^12242040042 is an apocalyptic number.

12242040042 is an abundant number, since it is smaller than the sum of its proper divisors (12243150870).

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

12242040042 is a wasteful number, since it uses less digits than its factorization.

12242040042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92573.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 12242040042 its reverse (24004024221), we get a palindrome (36246064263).

The spelling of 12242040042 in words is "twelve billion, two hundred forty-two million, forty thousand, forty-two".