21213301300012 has 12 divisors (see below), whose sum is σ = 37124068588096. Its totient is φ = 10606424560560.

The previous prime is 21213301299977. The next prime is 21213301300013. The reversal of 21213301300012 is 21000310331212.

It is a super-3 number, since 3×21213301300012³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21213301300013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56311164 + ... + 56686627.

Almost surely, 2^{21213301300012} is an apocalyptic number.

It is an amenable number.

21213301300012 is a deficient number, since it is larger than the sum of its proper divisors (15910767288084).

21213301300012 is a wasteful number, since it uses less digits than its factorization.

21213301300012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113044728 (or 113044726 counting only the distinct ones).

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

Adding to 21213301300012 its reverse (21000310331212), we get a palindrome (42213611631224).

The spelling of 21213301300012 in words is "twenty-one trillion, two hundred thirteen billion, three hundred one million, three hundred thousand, twelve".