202212112102 has 48 divisors (see below), whose sum is σ = 414524758032. Its totient is φ = 72723631680.

The previous prime is 202212112097. The next prime is 202212112111. The reversal of 202212112102 is 201211212202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 7200633 + ... + 7228660.

It is an arithmetic number, because the mean of its divisors is an integer number (8635932459).

Almost surely, 2^202212112102 is an apocalyptic number.

202212112102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202212112102 is an abundant number, since it is smaller than the sum of its proper divisors (212312645930).

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

202212112102 is a wasteful number, since it uses less digits than its factorization.

202212112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14429333 (or 14429326 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202212112102 its reverse (201211212202), we get a palindrome (403423324304).

It can be divided in two parts, 20 and 2212112102, that added together give a palindrome (2212112122).

The spelling of 202212112102 in words is "two hundred two billion, two hundred twelve million, one hundred twelve thousand, one hundred two".