21300312101230 has 16 divisors (see below), whose sum is σ = 38348766566064. Its totient is φ = 8518301555200.

The previous prime is 21300312101213. The next prime is 21300312101249. The reversal of 21300312101230 is 3210121300312.

It is a junction number, because it is equal to n+sod(n) for n = 21300312101198 and 21300312101207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227861596 + ... + 227955055.

It is an arithmetic number, because the mean of its divisors is an integer number (2396797910379).

Almost surely, 2^{21300312101230} is an apocalyptic number.

21300312101230 is a deficient number, since it is larger than the sum of its proper divisors (17048454464834).

21300312101230 is a wasteful number, since it uses less digits than its factorization.

21300312101230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455821331.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21300312101230 its reverse (3210121300312), we get a palindrome (24510433401542).

The spelling of 21300312101230 in words is "twenty-one trillion, three hundred billion, three hundred twelve million, one hundred one thousand, two hundred thirty".