21832385112 has 64 divisors (see below), whose sum is σ = 61234368000. Its totient is φ = 7206799392.

The previous prime is 21832385093. The next prime is 21832385123. The reversal of 21832385112 is 21158323812.

21832385112 is a `hidden beast` number, since 218 + 323 + 8 + 5 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468412 + ... + 512907.

It is an arithmetic number, because the mean of its divisors is an integer number (956787000).

Almost surely, 2^21832385112 is an apocalyptic number.

It is an amenable number.

21832385112 is an abundant number, since it is smaller than the sum of its proper divisors (39401982888).

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

21832385112 is a wasteful number, since it uses less digits than its factorization.

21832385112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981437 (or 981427 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The spelling of 21832385112 in words is "twenty-one billion, eight hundred thirty-two million, three hundred eighty-five thousand, one hundred twelve".