4021312324042 has 64 divisors (see below), whose sum is σ = 6782149140480. Its totient is φ = 1775975072256.

The previous prime is 4021312324021. The next prime is 4021312324067. The reversal of 4021312324042 is 2404232131204.

It is a super-2 number, since 2×4021312324042² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4021312324042.

It is an unprimeable number.

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, 39717559 + ... + 39818677.

It is an arithmetic number, because the mean of its divisors is an integer number (105971080320).

Almost surely, 2^{4021312324042} is an apocalyptic number.

4021312324042 is a deficient number, since it is larger than the sum of its proper divisors (2760836816438).

4021312324042 is a wasteful number, since it uses less digits than its factorization.

4021312324042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101855.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 4021312324042 its reverse (2404232131204), we get a palindrome (6425544455246).

The spelling of 4021312324042 in words is "four trillion, twenty-one billion, three hundred twelve million, three hundred twenty-four thousand, forty-two".