21300330203213 has 12 divisors (see below), whose sum is σ = 22627347595872. Its totient is φ = 20047056646080.

The previous prime is 21300330203123. The next prime is 21300330203227. The reversal of 21300330203213 is 31230203300312.

It is not a de Polignac number, because 21300330203213 - 2¹⁸ = 21300329941069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300330203513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19135898 + ... + 20218388.

It is an arithmetic number, because the mean of its divisors is an integer number (1885612299656).

Almost surely, 2^{21300330203213} is an apocalyptic number.

It is an amenable number.

21300330203213 is a deficient number, since it is larger than the sum of its proper divisors (1327017392659).

21300330203213 is a wasteful number, since it uses less digits than its factorization.

21300330203213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150612 (or 1150595 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 21300330203213 its reverse (31230203300312), we get a palindrome (52530533503525).

The spelling of 21300330203213 in words is "twenty-one trillion, three hundred billion, three hundred thirty million, two hundred three thousand, two hundred thirteen".