10201202121212 has 24 divisors (see below), whose sum is σ = 18184889451120. Its totient is φ = 5005807113600.

The previous prime is 10201202121197. The next prime is 10201202121233. The reversal of 10201202121212 is 21212120210201.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 35819423 + ... + 36103094.

It is an arithmetic number, because the mean of its divisors is an integer number (757703727130).

Almost surely, 2^{10201202121212} is an apocalyptic number.

It is an amenable number.

10201202121212 is a deficient number, since it is larger than the sum of its proper divisors (7983687329908).

10201202121212 is a wasteful number, since it uses less digits than its factorization.

10201202121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71923181 (or 71923179 counting only the distinct ones).

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

Adding to 10201202121212 its reverse (21212120210201), we get a palindrome (31413322331413).

The spelling of 10201202121212 in words is "ten trillion, two hundred one billion, two hundred two million, one hundred twenty-one thousand, two hundred twelve".