4042121312042 has 8 divisors (see below), whose sum is σ = 6614380328832. Its totient is φ = 1837327869100.

The previous prime is 4042121312041. The next prime is 4042121312057. The reversal of 4042121312042 is 2402131212404.

4042121312042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4042121312041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91866393434 + ... + 91866393477.

It is an arithmetic number, because the mean of its divisors is an integer number (826797541104).

Almost surely, 2^{4042121312042} is an apocalyptic number.

4042121312042 is a deficient number, since it is larger than the sum of its proper divisors (2572259016790).

4042121312042 is a wasteful number, since it uses less digits than its factorization.

4042121312042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183732786924.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 4042121312042 its reverse (2402131212404), we get a palindrome (6444252524446).

The spelling of 4042121312042 in words is "four trillion, forty-two billion, one hundred twenty-one million, three hundred twelve thousand, forty-two".