210221230302012 has 12 divisors (see below), whose sum is σ = 490516204038056. Its totient is φ = 70073743434000.

The previous prime is 210221230301891. The next prime is 210221230302077. The reversal of 210221230302012 is 210203032122012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 210221230302012.

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, 8759217929239 + ... + 8759217929262.

Almost surely, 2^{210221230302012} is an apocalyptic number.

It is an amenable number.

210221230302012 is an abundant number, since it is smaller than the sum of its proper divisors (280294973736044).

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

210221230302012 is a wasteful number, since it uses less digits than its factorization.

210221230302012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17518435858508 (or 17518435858506 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 210221230302012 its reverse (210203032122012), we get a palindrome (420424262424024).

The spelling of 210221230302012 in words is "two hundred ten trillion, two hundred twenty-one billion, two hundred thirty million, three hundred two thousand, twelve".