21300012310 has 8 divisors (see below), whose sum is σ = 38340022176. Its totient is φ = 8520004920.

The previous prime is 21300012287. The next prime is 21300012319. The reversal of 21300012310 is 1321000312.

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

It is a super-2 number, since 2×21300012310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300012319) by changing a digit.

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, 1065000606 + ... + 1065000625.

It is an arithmetic number, because the mean of its divisors is an integer number (4792502772).

Almost surely, 2^21300012310 is an apocalyptic number.

21300012310 is a deficient number, since it is larger than the sum of its proper divisors (17040009866).

21300012310 is a wasteful number, since it uses less digits than its factorization.

21300012310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130001238.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 21300012310 its reverse (1321000312), we get a palindrome (22621012622).

The spelling of 21300012310 in words is "twenty-one billion, three hundred million, twelve thousand, three hundred ten".