21234201350 has 48 divisors (see below), whose sum is σ = 40727455776. Its totient is φ = 8231520000.

The previous prime is 21234201349. The next prime is 21234201413. The reversal of 21234201350 is 5310243212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275252 + ... + 343848.

It is an arithmetic number, because the mean of its divisors is an integer number (848488662).

Almost surely, 2^21234201350 is an apocalyptic number.

21234201350 is a deficient number, since it is larger than the sum of its proper divisors (19493254426).

21234201350 is a wasteful number, since it uses less digits than its factorization.

21234201350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68801 (or 68796 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 21234201350 its reverse (5310243212), we get a palindrome (26544444562).

The spelling of 21234201350 in words is "twenty-one billion, two hundred thirty-four million, two hundred one thousand, three hundred fifty".