4221623865712 has 40 divisors (see below), whose sum is σ = 8923670669952. Its totient is φ = 1918770916800.

The previous prime is 4221623865673. The next prime is 4221623865733. The reversal of 4221623865712 is 2175683261224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1357287 + ... + 3207097.

Almost surely, 2^{4221623865712} is an apocalyptic number.

It is an amenable number.

4221623865712 is an abundant number, since it is smaller than the sum of its proper divisors (4702046804240).

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

4221623865712 is a wasteful number, since it uses less digits than its factorization.

4221623865712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862797 (or 1862791 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The spelling of 4221623865712 in words is "four trillion, two hundred twenty-one billion, six hundred twenty-three million, eight hundred sixty-five thousand, seven hundred twelve".