21332233330212 has 48 divisors (see below), whose sum is σ = 57262683763712. Its totient is φ = 6054560071200.

The previous prime is 21332233330207. The next prime is 21332233330337. The reversal of 21332233330212 is 21203333223312.

It is a self number, because there is not a number n which added to its sum of digits gives 21332233330212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840898438 + ... + 840923805.

Almost surely, 2^{21332233330212} is an apocalyptic number.

It is an amenable number.

21332233330212 is an abundant number, since it is smaller than the sum of its proper divisors (35930450433500).

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

21332233330212 is a wasteful number, since it uses less digits than its factorization.

21332233330212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681822408 (or 1681822406 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 21332233330212 its reverse (21203333223312), we get a palindrome (42535566553524).

The spelling of 21332233330212 in words is "twenty-one trillion, three hundred thirty-two billion, two hundred thirty-three million, three hundred thirty thousand, two hundred twelve".