12210001116 has 24 divisors (see below), whose sum is σ = 28498970640. Its totient is φ = 4068719232.

The previous prime is 12210001057. The next prime is 12210001117. The reversal of 12210001116 is 61110001221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12210001095 and 12210001104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210001117) 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, 120031 + ... + 197046.

It is an arithmetic number, because the mean of its divisors is an integer number (1187457110).

Almost surely, 2^12210001116 is an apocalyptic number.

It is an amenable number.

12210001116 is an abundant number, since it is smaller than the sum of its proper divisors (16288969524).

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

12210001116 is a wasteful number, since it uses less digits than its factorization.

12210001116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320293 (or 320291 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12210001116 its reverse (61110001221), we get a palindrome (73320002337).

The spelling of 12210001116 in words is "twelve billion, two hundred ten million, one thousand, one hundred sixteen".