4021444433012 has 12 divisors (see below), whose sum is σ = 7037976718080. Its totient is φ = 2010593942136.

The previous prime is 4021444432979. The next prime is 4021444433063. The reversal of 4021444433012 is 2103344441204.

It is a self number, because there is not a number n which added to its sum of digits gives 4021444433012.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 31998038 + ... + 32123469.

It is an arithmetic number, because the mean of its divisors is an integer number (586498059840).

Almost surely, 2^{4021444433012} is an apocalyptic number.

It is an amenable number.

4021444433012 is a deficient number, since it is larger than the sum of its proper divisors (3016532285068).

4021444433012 is a wasteful number, since it uses less digits than its factorization.

4021444433012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64137190 (or 64137188 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 4021444433012 its reverse (2103344441204), we get a palindrome (6124788874216).

The spelling of 4021444433012 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred thirty-three thousand, twelve".