4123421140242 has 64 divisors (see below), whose sum is σ = 8528166549504. Its totient is φ = 1328338165440.

The previous prime is 4123421140217. The next prime is 4123421140247. The reversal of 4123421140242 is 2420411243214.

It is not an unprimeable number, because it can be changed into a prime (4123421140247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46463392 + ... + 46552052.

It is an arithmetic number, because the mean of its divisors is an integer number (133252602336).

Almost surely, 2^{4123421140242} is an apocalyptic number.

4123421140242 is an abundant number, since it is smaller than the sum of its proper divisors (4404745409262).

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

4123421140242 is a wasteful number, since it uses less digits than its factorization.

4123421140242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90783.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 4123421140242 its reverse (2420411243214), we get a palindrome (6543832383456).

The spelling of 4123421140242 in words is "four trillion, one hundred twenty-three billion, four hundred twenty-one million, one hundred forty thousand, two hundred forty-two".