12273082112 has 72 divisors (see below), whose sum is σ = 25452705600. Its totient is φ = 5899292672.

The previous prime is 12273082109. The next prime is 12273082127. The reversal of 12273082112 is 21128037221.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770878 + ... + 1777794.

It is an arithmetic number, because the mean of its divisors is an integer number (353509800).

Almost surely, 2^12273082112 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 12273082112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12726352800).

12273082112 is an abundant number, since it is smaller than the sum of its proper divisors (13179623488).

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

12273082112 is an equidigital number, since it uses as much as digits as its factorization.

12273082112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7201 (or 7187 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The spelling of 12273082112 in words is "twelve billion, two hundred seventy-three million, eighty-two thousand, one hundred twelve".