21230314112 has 32 divisors (see below), whose sum is σ = 48336877920. Its totient is φ = 9098705664.

The previous prime is 21230314103. The next prime is 21230314121. The reversal of 21230314112 is 21141303212.

It is an interprime number because it is at equal distance from previous prime (21230314103) and next prime (21230314121).

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11846378 + ... + 11848169.

It is an arithmetic number, because the mean of its divisors is an integer number (1510527435).

Almost surely, 2^21230314112 is an apocalyptic number.

It is an amenable number.

21230314112 is an abundant number, since it is smaller than the sum of its proper divisors (27106563808).

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

21230314112 is an equidigital number, since it uses as much as digits as its factorization.

21230314112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23694568 (or 23694556 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21230314112 its reverse (21141303212), we get a palindrome (42371617324).

The spelling of 21230314112 in words is "twenty-one billion, two hundred thirty million, three hundred fourteen thousand, one hundred twelve".