212011221220202 has 32 divisors (see below), whose sum is σ = 324705011904000. Its totient is φ = 103801404880368.

The previous prime is 212011221220181. The next prime is 212011221220213. The reversal of 212011221220202 is 202022122110212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6151613 + ... + 21491039.

It is an arithmetic number, because the mean of its divisors is an integer number (10147031622000).

Almost surely, 2^{212011221220202} is an apocalyptic number.

212011221220202 is a deficient number, since it is larger than the sum of its proper divisors (112693790683798).

212011221220202 is a wasteful number, since it uses less digits than its factorization.

212011221220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15340250.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212011221220202 its reverse (202022122110212), we get a palindrome (414033343330414).

The spelling of 212011221220202 in words is "two hundred twelve trillion, eleven billion, two hundred twenty-one million, two hundred twenty thousand, two hundred two".