10212012010221 has 16 divisors (see below), whose sum is σ = 15596287947264. Its totient is φ = 5822262888624.

The previous prime is 10212012010219. The next prime is 10212012010279. The reversal of 10212012010221 is 12201021021201.

It is not a de Polignac number, because 10212012010221 - 2¹ = 10212012010219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10212012010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212012010121) 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 15 ways as a sum of consecutive naturals, for example, 548846551 + ... + 548865156.

It is an arithmetic number, because the mean of its divisors is an integer number (974767996704).

Almost surely, 2^{10212012010221} is an apocalyptic number.

It is an amenable number.

10212012010221 is a deficient number, since it is larger than the sum of its proper divisors (5384275937043).

10212012010221 is a wasteful number, since it uses less digits than its factorization.

10212012010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097712160.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10212012010221 its reverse (12201021021201), we get a palindrome (22413033031422).

The spelling of 10212012010221 in words is "ten trillion, two hundred twelve billion, twelve million, ten thousand, two hundred twenty-one".