10221210120212 has 48 divisors (see below), whose sum is σ = 22016741064192. Its totient is φ = 4043220088320.

The previous prime is 10221210120113. The next prime is 10221210120217. The reversal of 10221210120212 is 21202101212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221210120217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3250037 + ... + 5568227.

It is an arithmetic number, because the mean of its divisors is an integer number (458682105504).

Almost surely, 2^{10221210120212} is an apocalyptic number.

It is an amenable number.

10221210120212 is an abundant number, since it is smaller than the sum of its proper divisors (11795530943980).

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

10221210120212 is a wasteful number, since it uses less digits than its factorization.

10221210120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330328 (or 2330326 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10221210120212 its reverse (21202101212201), we get a palindrome (31423311332413).

The spelling of 10221210120212 in words is "ten trillion, two hundred twenty-one billion, two hundred ten million, one hundred twenty thousand, two hundred twelve".