21847473410112 has 672 divisors, whose sum is σ = 75974655507840. Its totient is φ = 6214194008064.

The previous prime is 21847473410111. The next prime is 21847473410123. The reversal of 21847473410112 is 21101437474812.

21847473410112 is a `hidden beast` number, since 2 + 1 + 8 + 474 + 73 + 4 + 101 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is not an unprimeable number, because it can be changed into a prime (21847473410111) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 1556857048 + ... + 1556871080.

Almost surely, 2^{21847473410112} 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 21847473410112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37987327753920).

21847473410112 is an abundant number, since it is smaller than the sum of its proper divisors (54127182097728).

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

21847473410112 is an equidigital number, since it uses as much as digits as its factorization.

21847473410112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14307 (or 14272 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 21847473410112 in words is "twenty-one trillion, eight hundred forty-seven billion, four hundred seventy-three million, four hundred ten thousand, one hundred twelve".