4021442301212 has 24 divisors (see below), whose sum is σ = 8392575238656. Its totient is φ = 1648541564208.

The previous prime is 4021442301209. The next prime is 4021442301241. The reversal of 4021442301212 is 2121032441204.

It is a super-2 number, since 2×4021442301212² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3122237168 + ... + 3122238455.

It is an arithmetic number, because the mean of its divisors is an integer number (349690634944).

Almost surely, 2^{4021442301212} is an apocalyptic number.

It is an amenable number.

4021442301212 is an abundant number, since it is smaller than the sum of its proper divisors (4371132937444).

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

4021442301212 is a wasteful number, since it uses less digits than its factorization.

4021442301212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6244475657 (or 6244475655 counting only the distinct ones).

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

Adding to 4021442301212 its reverse (2121032441204), we get a palindrome (6142474742416).

The spelling of 4021442301212 in words is "four trillion, twenty-one billion, four hundred forty-two million, three hundred one thousand, two hundred twelve".