201012220212 has 24 divisors (see below), whose sum is σ = 469563348576. Its totient is φ = 66927668448.

The previous prime is 201012220207. The next prime is 201012220289. The reversal of 201012220212 is 212022210102.

It is a junction number, because it is equal to n+sod(n) for n = 201012220191 and 201012220200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9539658 + ... + 9560705.

It is an arithmetic number, because the mean of its divisors is an integer number (19565139524).

Almost surely, 2^201012220212 is an apocalyptic number.

It is an amenable number.

201012220212 is an abundant number, since it is smaller than the sum of its proper divisors (268551128364).

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

201012220212 is a wasteful number, since it uses less digits than its factorization.

201012220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19101247 (or 19101245 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201012220212 its reverse (212022210102), we get a palindrome (413034430314).

The spelling of 201012220212 in words is "two hundred one billion, twelve million, two hundred twenty thousand, two hundred twelve".