21300333220212 has 12 divisors (see below), whose sum is σ = 49700777513856. Its totient is φ = 7100111073400.

The previous prime is 21300333220193. The next prime is 21300333220289. The reversal of 21300333220212 is 21202233300312.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887513884164 + ... + 887513884187.

It is an arithmetic number, because the mean of its divisors is an integer number (4141731459488).

Almost surely, 2^{21300333220212} is an apocalyptic number.

It is an amenable number.

21300333220212 is an abundant number, since it is smaller than the sum of its proper divisors (28400444293644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21300333220212 is a wasteful number, since it uses less digits than its factorization.

21300333220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775027768358 (or 1775027768356 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21300333220212 its reverse (21202233300312), we get a palindrome (42502566520524).

The spelling of 21300333220212 in words is "twenty-one trillion, three hundred billion, three hundred thirty-three million, two hundred twenty thousand, two hundred twelve".