21230414210 has 8 divisors (see below), whose sum is σ = 38214745596. Its totient is φ = 8492165680.

The previous prime is 21230414207. The next prime is 21230414273. The reversal of 21230414210 is 1241403212.

It can be written as a sum of positive squares in 2 ways, for example, as 21002675929 + 227738281 = 144923^2 + 15091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061520701 + ... + 1061520720.

Almost surely, 2^21230414210 is an apocalyptic number.

21230414210 is a deficient number, since it is larger than the sum of its proper divisors (16984331386).

21230414210 is a wasteful number, since it uses less digits than its factorization.

21230414210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123041428.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21230414210 its reverse (1241403212), we get a palindrome (22471817422).

The spelling of 21230414210 in words is "twenty-one billion, two hundred thirty million, four hundred fourteen thousand, two hundred ten".