12245113040 has 80 divisors (see below), whose sum is σ = 29113993728. Its totient is φ = 4787509248.

The previous prime is 12245113031. The next prime is 12245113109. The reversal of 12245113040 is 4031154221.

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

It is a junction number, because it is equal to n+sod(n) for n = 12245112997 and 12245113015.

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, 3694424 + ... + 3697736.

Almost surely, 2^12245113040 is an apocalyptic number.

12245113040 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 12245113040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14556996864).

12245113040 is an abundant number, since it is smaller than the sum of its proper divisors (16868880688).

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

12245113040 is a wasteful number, since it uses less digits than its factorization.

12245113040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356 (or 4350 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 12245113040 its reverse (4031154221), we get a palindrome (16276267261).

The spelling of 12245113040 in words is "twelve billion, two hundred forty-five million, one hundred thirteen thousand, forty".