212102122202 has 16 divisors (see below), whose sum is σ = 334612726272. Its totient is φ = 100693641360.

The previous prime is 212102122187. The next prime is 212102122241. The reversal of 212102122202 is 202221201212.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32270318 + ... + 32276889.

It is an arithmetic number, because the mean of its divisors is an integer number (20913295392).

Almost surely, 2^212102122202 is an apocalyptic number.

212102122202 is a deficient number, since it is larger than the sum of its proper divisors (122510604070).

212102122202 is a wasteful number, since it uses less digits than its factorization.

212102122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64547293.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212102122202 its reverse (202221201212), we get a palindrome (414323323414).

It can be divided in two parts, 21210 and 2122202, that added together give a palindrome (2143412).

The spelling of 212102122202 in words is "two hundred twelve billion, one hundred two million, one hundred twenty-two thousand, two hundred two".