201222212022212 has 12 divisors (see below), whose sum is σ = 352185642093180. Its totient is φ = 100597742852736.

The previous prime is 201222212022197. The next prime is 201222212022217. The reversal of 201222212022212 is 212220212222102.

It can be written as a sum of positive squares in 2 ways, for example, as 22883441264896 + 178338770757316 = 4783664^2 + 13354354^2 .

It is a super-2 number, since 2×201222212022212² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201222212022217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3340755713 + ... + 3340815944.

It is an arithmetic number, because the mean of its divisors is an integer number (29348803507765).

Almost surely, 2^{201222212022212} is an apocalyptic number.

It is an amenable number.

201222212022212 is a deficient number, since it is larger than the sum of its proper divisors (150963430070968).

201222212022212 is a wasteful number, since it uses less digits than its factorization.

201222212022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6681579190 (or 6681579188 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 201222212022212 its reverse (212220212222102), we get a palindrome (413442424244314).

The spelling of 201222212022212 in words is "two hundred one trillion, two hundred twenty-two billion, two hundred twelve million, twenty-two thousand, two hundred twelve".