201020002222212 has 72 divisors (see below), whose sum is σ = 509147958540312. Its totient is φ = 66873005568000.

The previous prime is 201020002222027. The next prime is 201020002222213. The reversal of 201020002222212 is 212222200020102.

201020002222212 is a `hidden beast` number, since 20 + 1 + 0 + 200 + 0 + 222 + 221 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 177080666951556 + 23939335270656 = 13307166^2 + 4892784^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (201020002222213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78103462 + ... + 80636162.

It is an arithmetic number, because the mean of its divisors is an integer number (7071499424171).

Almost surely, 2^{201020002222212} is an apocalyptic number.

It is an amenable number.

201020002222212 is an abundant number, since it is smaller than the sum of its proper divisors (308127956318100).

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

201020002222212 is a wasteful number, since it uses less digits than its factorization.

201020002222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537109 (or 2537104 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 201020002222212 its reverse (212222200020102), we get a palindrome (413242202242314).

The spelling of 201020002222212 in words is "two hundred one trillion, twenty billion, two million, two hundred twenty-two thousand, two hundred twelve".