4421071405812 has 12 divisors (see below), whose sum is σ = 10315833280256. Its totient is φ = 1473690468600.

The previous prime is 4421071405787. The next prime is 4421071405819. The reversal of 4421071405812 is 2185041701244.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421071405819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184211308564 + ... + 184211308587.

Almost surely, 2^{4421071405812} is an apocalyptic number.

It is an amenable number.

4421071405812 is an abundant number, since it is smaller than the sum of its proper divisors (5894761874444).

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

4421071405812 is a wasteful number, since it uses less digits than its factorization.

4421071405812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368422617158 (or 368422617156 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The spelling of 4421071405812 in words is "four trillion, four hundred twenty-one billion, seventy-one million, four hundred five thousand, eight hundred twelve".