21000130340230 has 8 divisors (see below), whose sum is σ = 37800234612432. Its totient is φ = 8400052136088.

The previous prime is 21000130340197. The next prime is 21000130340237. The reversal of 21000130340230 is 3204303100012.

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

It is a junction number, because it is equal to n+sod(n) for n = 21000130340198 and 21000130340207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21000130340237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050006517002 + ... + 1050006517021.

It is an arithmetic number, because the mean of its divisors is an integer number (4725029326554).

Almost surely, 2^{21000130340230} is an apocalyptic number.

21000130340230 is a deficient number, since it is larger than the sum of its proper divisors (16800104272202).

21000130340230 is a wasteful number, since it uses less digits than its factorization.

21000130340230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100013034030.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21000130340230 its reverse (3204303100012), we get a palindrome (24204433440242).

The spelling of 21000130340230 in words is "twenty-one trillion, one hundred thirty million, three hundred forty thousand, two hundred thirty".