12245516112 has 160 divisors (see below), whose sum is σ = 35489157120. Its totient is φ = 3619883520.

The previous prime is 12245516111. The next prime is 12245516113. The reversal of 12245516112 is 21161554221.

It is an interprime number because it is at equal distance from previous prime (12245516111) and next prime (12245516113).

It is a self number, because there is not a number n which added to its sum of digits gives 12245516112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12245516111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 979662 + ... + 992082.

It is an arithmetic number, because the mean of its divisors is an integer number (221807232).

Almost surely, 2^12245516112 is an apocalyptic number.

12245516112 is a gapful number since it is divisible by the number (12) 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 12245516112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17744578560).

12245516112 is an abundant number, since it is smaller than the sum of its proper divisors (23243641008).

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

12245516112 is a wasteful number, since it uses less digits than its factorization.

12245516112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12521 (or 12515 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The spelling of 12245516112 in words is "twelve billion, two hundred forty-five million, five hundred sixteen thousand, one hundred twelve".