122643210216 has 16 divisors (see below), whose sum is σ = 306608025600. Its totient is φ = 40881070064.

The previous prime is 122643210199. The next prime is 122643210241. The reversal of 122643210216 is 612012346221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2555066856 + ... + 2555066903.

It is an arithmetic number, because the mean of its divisors is an integer number (19163001600).

Almost surely, 2^122643210216 is an apocalyptic number.

It is an amenable number.

122643210216 is an abundant number, since it is smaller than the sum of its proper divisors (183964815384).

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

122643210216 is a wasteful number, since it uses less digits than its factorization.

122643210216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110133768 (or 5110133764 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 122643210216 its reverse (612012346221), we get a palindrome (734655556437).

The spelling of 122643210216 in words is "one hundred twenty-two billion, six hundred forty-three million, two hundred ten thousand, two hundred sixteen".