12397209600 has 288 divisors, whose sum is σ = 41958876960. Its totient is φ = 3227320320.

The previous prime is 12397209569. The next prime is 12397209619. The reversal of 12397209600 is 690279321.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6603862 + ... + 6605738.

It is an arithmetic number, because the mean of its divisors is an integer number (145690545).

Almost surely, 2^12397209600 is an apocalyptic number.

12397209600 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 12397209600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20979438480).

12397209600 is an abundant number, since it is smaller than the sum of its proper divisors (29561667360).

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

12397209600 is a wasteful number, since it uses less digits than its factorization.

12397209600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955 (or 1930 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The spelling of 12397209600 in words is "twelve billion, three hundred ninety-seven million, two hundred nine thousand, six hundred".