12290116720 has 80 divisors (see below), whose sum is σ = 32692282560. Its totient is φ = 4209149952.

The previous prime is 12290116691. The next prime is 12290116721. The reversal of 12290116720 is 2761109221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12290116721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522166 + ... + 545194.

It is an arithmetic number, because the mean of its divisors is an integer number (408653532).

Almost surely, 2^12290116720 is an apocalyptic number.

12290116720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12290116720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16346141280).

12290116720 is an abundant number, since it is smaller than the sum of its proper divisors (20402165840).

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

12290116720 is a wasteful number, since it uses less digits than its factorization.

12290116720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24002 (or 23996 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 12290116720 in words is "twelve billion, two hundred ninety million, one hundred sixteen thousand, seven hundred twenty".