212212221000202 has 8 divisors (see below), whose sum is σ = 318324991440996. Its totient is φ = 106103890519872.

The previous prime is 212212221000179. The next prime is 212212221000209. The reversal of 212212221000202 is 202000122212212.

It can be written as a sum of positive squares in 2 ways, for example, as 201197515416921 + 11014705583281 = 14184411^2 + 3318841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 212212221000202.

It is not an unprimeable number, because it can be changed into a prime (212212221000209) 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, 1109870623 + ... + 1110061810.

Almost surely, 2^{212212221000202} is an apocalyptic number.

212212221000202 is a deficient number, since it is larger than the sum of its proper divisors (106112770440794).

212212221000202 is a wasteful number, since it uses less digits than its factorization.

212212221000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219980232.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212212221000202 its reverse (202000122212212), we get a palindrome (414212343212414).

The spelling of 212212221000202 in words is "two hundred twelve trillion, two hundred twelve billion, two hundred twenty-one million, two hundred two", and thus it is an aban number.