384581227212 has 384 divisors, whose sum is σ = 1300471603200. Its totient is φ = 95539046400.

The previous prime is 384581227189. The next prime is 384581227297. The reversal of 384581227212 is 212722185483.

384581227212 is a `hidden beast` number, since 3 + 8 + 458 + 122 + 72 + 1 + 2 = 666.

384581227212 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11669037 + ... + 11701947.

It is an arithmetic number, because the mean of its divisors is an integer number (3386644800).

Almost surely, 2^384581227212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 384581227212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650235801600).

384581227212 is an abundant number, since it is smaller than the sum of its proper divisors (915890375988).

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

384581227212 is a wasteful number, since it uses less digits than its factorization.

384581227212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33014 (or 33006 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

It can be divided in two parts, 3845812 and 27212, that added together give a square (3873024 = 1968²).

The spelling of 384581227212 in words is "three hundred eighty-four billion, five hundred eighty-one million, two hundred twenty-seven thousand, two hundred twelve".