21325852312 is nontrivially palindromic in base 10.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is an unprimeable number.
Almost surely, 221325852312 is an apocalyptic number.
It is an amenable number.
21325852312 is a wasteful number, since it uses less digits than its factorization.
21325852312 is an evil number, because the sum of its binary digits is even.
The spelling of 21325852312 in words is "twenty-one billion, three hundred twenty-five million, eight hundred fifty-two thousand, three hundred twelve".