21703298112 has 224 divisors, whose sum is σ = 67999254400. Its totient is φ = 6852833280.

The previous prime is 21703298087. The next prime is 21703298119. The reversal of 21703298112 is 21189230712.

21703298112 is a `hidden beast` number, since 217 + 0 + 329 + 8 + 112 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (21703298119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2655312 + ... + 2663472.

It is an arithmetic number, because the mean of its divisors is an integer number (303568100).

Almost surely, 2^21703298112 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 21703298112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33999627200).

21703298112 is an abundant number, since it is smaller than the sum of its proper divisors (46295956288).

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

21703298112 is an frugal number, since it uses more digits than its factorization.

21703298112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8213 (or 8185 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 21703298112 in words is "twenty-one billion, seven hundred three million, two hundred ninety-eight thousand, one hundred twelve".