212202122102 has 16 divisors (see below), whose sum is σ = 319007678400. Its totient is φ = 105866379528.

The previous prime is 212202122101. The next prime is 212202122137. The reversal of 212202122102 is 201221202212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202122101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2916773 + ... + 2988639.

It is an arithmetic number, because the mean of its divisors is an integer number (19937979900).

Almost surely, 2^212202122102 is an apocalyptic number.

212202122102 is a deficient number, since it is larger than the sum of its proper divisors (106805556298).

212202122102 is a wasteful number, since it uses less digits than its factorization.

212202122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75115.

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

Adding to 212202122102 its reverse (201221202212), we get a palindrome (413423324314).

The spelling of 212202122102 in words is "two hundred twelve billion, two hundred two million, one hundred twenty-two thousand, one hundred two".