10202110121212 has 12 divisors (see below), whose sum is σ = 17853736288696. Its totient is φ = 5101042610160.

The previous prime is 10202110121167. The next prime is 10202110121213. The reversal of 10202110121212 is 21212101120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202110121213) 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 3 ways as a sum of consecutive naturals, for example, 1128378 + ... + 4655905.

Almost surely, 2^{10202110121212} is an apocalyptic number.

It is an amenable number.

10202110121212 is a deficient number, since it is larger than the sum of its proper divisors (7651626167484).

10202110121212 is a wasteful number, since it uses less digits than its factorization.

10202110121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6225228 (or 6225226 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10202110121212 its reverse (21212101120201), we get a palindrome (31414211241413).

The spelling of 10202110121212 in words is "ten trillion, two hundred two billion, one hundred ten million, one hundred twenty-one thousand, two hundred twelve".