21234212314 has 16 divisors (see below), whose sum is σ = 36944814528. Its totient is φ = 8964549792.

The previous prime is 21234212291. The next prime is 21234212407. The reversal of 21234212314 is 41321243212.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11317939 + ... + 11319814.

It is an arithmetic number, because the mean of its divisors is an integer number (2309050908).

Almost surely, 2^21234212314 is an apocalyptic number.

21234212314 is a deficient number, since it is larger than the sum of its proper divisors (15710602214).

21234212314 is a wasteful number, since it uses less digits than its factorization.

21234212314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22637829.

The product of its digits is 2304, while the sum is 25.

Adding to 21234212314 its reverse (41321243212), we get a palindrome (62555455526).

The spelling of 21234212314 in words is "twenty-one billion, two hundred thirty-four million, two hundred twelve thousand, three hundred fourteen".