201010101212212 has 6 divisors (see below), whose sum is σ = 351767677121378. Its totient is φ = 100505050606104.

The previous prime is 201010101212113. The next prime is 201010101212227. The reversal of 201010101212212 is 212212101010102.

It can be written as a sum of positive squares in only one way, i.e., 182456716583716 + 18553384628496 = 13507654^2 + 4307364^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25126262651523 + ... + 25126262651530.

Almost surely, 2^{201010101212212} is an apocalyptic number.

It is an amenable number.

201010101212212 is a deficient number, since it is larger than the sum of its proper divisors (150757575909166).

201010101212212 is a wasteful number, since it uses less digits than its factorization.

201010101212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50252525303057 (or 50252525303055 counting only the distinct ones).

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

Adding to 201010101212212 its reverse (212212101010102), we get a palindrome (413222202222314).

The spelling of 201010101212212 in words is "two hundred one trillion, ten billion, one hundred one million, two hundred twelve thousand, two hundred twelve".