12731225600 has 120 divisors (see below), whose sum is σ = 31608220248. Its totient is φ = 5081907200.

The previous prime is 12731225597. The next prime is 12731225609. The reversal of 12731225600 is 652213721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12731225609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9740147 + ... + 9741453.

Almost surely, 2^12731225600 is an apocalyptic number.

12731225600 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 12731225600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15804110124).

12731225600 is an abundant number, since it is smaller than the sum of its proper divisors (18876994648).

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

12731225600 is an equidigital number, since it uses as much as digits as its factorization.

12731225600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The spelling of 12731225600 in words is "twelve billion, seven hundred thirty-one million, two hundred twenty-five thousand, six hundred".