4021312214242 has 8 divisors (see below), whose sum is σ = 6032408363100. Its totient is φ = 2010509426544.

The previous prime is 4021312214237. The next prime is 4021312214243. The reversal of 4021312214242 is 2424122131204.

It can be written as a sum of positive squares in 2 ways, for example, as 3978983678121 + 42328536121 = 1994739^2 + 205739^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 4021312214242.

It is not an unprimeable number, because it can be changed into a prime (4021312214243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73306017 + ... + 73360852.

Almost surely, 2^{4021312214242} is an apocalyptic number.

4021312214242 is a deficient number, since it is larger than the sum of its proper divisors (2011096148858).

4021312214242 is a wasteful number, since it uses less digits than its factorization.

4021312214242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146680580.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 4021312214242 its reverse (2424122131204), we get a palindrome (6445434345446).

The spelling of 4021312214242 in words is "four trillion, twenty-one billion, three hundred twelve million, two hundred fourteen thousand, two hundred forty-two".