12245280132 has 96 divisors (see below), whose sum is σ = 33230131200. Its totient is φ = 3481201152.

The previous prime is 12245280127. The next prime is 12245280163. The reversal of 12245280132 is 23108254221.

It is a super-2 number, since 2×12245280132² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12245280132.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20469 + ... + 157827.

It is an arithmetic number, because the mean of its divisors is an integer number (346147200).

Almost surely, 2^12245280132 is an apocalyptic number.

12245280132 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 12245280132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16615065600).

12245280132 is an abundant number, since it is smaller than the sum of its proper divisors (20984851068).

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

12245280132 is a wasteful number, since it uses less digits than its factorization.

12245280132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137425 (or 137423 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 12245280132 in words is "twelve billion, two hundred forty-five million, two hundred eighty thousand, one hundred thirty-two".