21300301012 has 24 divisors (see below), whose sum is σ = 38986520832. Its totient is φ = 10163445600.

The previous prime is 21300300997. The next prime is 21300301021. The reversal of 21300301012 is 21010300312.

It is a junction number, because it is equal to n+sod(n) for n = 21300300983 and 21300301001.

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, 228939 + ... + 308242.

It is an arithmetic number, because the mean of its divisors is an integer number (1624438368).

Almost surely, 2^21300301012 is an apocalyptic number.

It is an amenable number.

21300301012 is a deficient number, since it is larger than the sum of its proper divisors (17686219820).

21300301012 is a wasteful number, since it uses less digits than its factorization.

21300301012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537639 (or 537637 counting only the distinct ones).

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

Adding to 21300301012 its reverse (21010300312), we get a palindrome (42310601324).

The spelling of 21300301012 in words is "twenty-one billion, three hundred million, three hundred one thousand, twelve".