201222010212 has 24 divisors (see below), whose sum is σ = 497136731616. Its totient is φ = 63128473728.

The previous prime is 201222010201. The next prime is 201222010243. The reversal of 201222010212 is 212010222102.

201222010212 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 = 201222010191 and 201222010200.

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, 493190998 + ... + 493191405.

It is an arithmetic number, because the mean of its divisors is an integer number (20714030484).

Almost surely, 2^201222010212 is an apocalyptic number.

It is an amenable number.

201222010212 is an abundant number, since it is smaller than the sum of its proper divisors (295914721404).

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

201222010212 is a wasteful number, since it uses less digits than its factorization.

201222010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986382427 (or 986382425 counting only the distinct ones).

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

Adding to 201222010212 its reverse (212010222102), we get a palindrome (413232232314).

The spelling of 201222010212 in words is "two hundred one billion, two hundred twenty-two million, ten thousand, two hundred twelve".