4042123212342 has 64 divisors (see below), whose sum is σ = 8242986628800. Its totient is φ = 1321156583424.

The previous prime is 4042123212341. The next prime is 4042123212409. The reversal of 4042123212342 is 2432123212404.

4042123212342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4042123212342² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042123212341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51750534 + ... + 51828582.

It is an arithmetic number, because the mean of its divisors is an integer number (128796666075).

Almost surely, 2^{4042123212342} is an apocalyptic number.

4042123212342 is an abundant number, since it is smaller than the sum of its proper divisors (4200863416458).

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

4042123212342 is a wasteful number, since it uses less digits than its factorization.

4042123212342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78817.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 4042123212342 its reverse (2432123212404), we get a palindrome (6474246424746).

The spelling of 4042123212342 in words is "four trillion, forty-two billion, one hundred twenty-three million, two hundred twelve thousand, three hundred forty-two".