201022001212 has 24 divisors (see below), whose sum is σ = 356643000000. Its totient is φ = 99124275456.

The previous prime is 201022001209. The next prime is 201022001221. The reversal of 201022001212 is 212100220102.

It is a happy number.

201022001212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201022001192 and 201022001201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3545664 + ... + 3601912.

It is an arithmetic number, because the mean of its divisors is an integer number (14860125000).

Almost surely, 2^201022001212 is an apocalyptic number.

It is an amenable number.

201022001212 is a deficient number, since it is larger than the sum of its proper divisors (155620998788).

201022001212 is a wasteful number, since it uses less digits than its factorization.

201022001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68565 (or 68563 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201022001212 its reverse (212100220102), we get a palindrome (413122221314).

The spelling of 201022001212 in words is "two hundred one billion, twenty-two million, one thousand, two hundred twelve".