12196844800 has 648 divisors, whose sum is σ = 39006878400. Its totient is φ = 3746856960.

The previous prime is 12196844773. The next prime is 12196844813. The reversal of 12196844800 is 844869121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 137043156 + ... + 137043244.

It is an arithmetic number, because the mean of its divisors is an integer number (60195800).

Almost surely, 2^12196844800 is an apocalyptic number.

12196844800 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 12196844800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19503439200).

12196844800 is an abundant number, since it is smaller than the sum of its proper divisors (26810033600).

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

12196844800 is a wasteful number, since it uses less digits than its factorization.

12196844800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

It can be divided in two parts, 121968 and 44800, that multiplied together give a square (5464166400 = 73920²).

The spelling of 12196844800 in words is "twelve billion, one hundred ninety-six million, eight hundred forty-four thousand, eight hundred".