12235120116 has 48 divisors (see below), whose sum is σ = 30300298560. Its totient is φ = 3829281280.

The previous prime is 12235120081. The next prime is 12235120127. The reversal of 12235120116 is 61102153221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13906 + ... + 157046.

It is an arithmetic number, because the mean of its divisors is an integer number (631256220).

Almost surely, 2^12235120116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12235120116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15150149280).

12235120116 is an abundant number, since it is smaller than the sum of its proper divisors (18065178444).

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

12235120116 is a wasteful number, since it uses less digits than its factorization.

12235120116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143584 (or 143582 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 12235120116 its reverse (61102153221), we get a palindrome (73337273337).

The spelling of 12235120116 in words is "twelve billion, two hundred thirty-five million, one hundred twenty thousand, one hundred sixteen".