12097238400 has 576 divisors, whose sum is σ = 47189688000. Its totient is φ = 2932899840.

The previous prime is 12097238381. The next prime is 12097238423. The reversal of 12097238400 is 483279021.

12097238400 is a `hidden beast` number, since 1 + 209 + 72 + 384 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 29577396 + ... + 29577804.

Almost surely, 2^12097238400 is an apocalyptic number.

12097238400 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 12097238400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23594844000).

12097238400 is an abundant number, since it is smaller than the sum of its proper divisors (35092449600).

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

12097238400 is a wasteful number, since it uses less digits than its factorization.

12097238400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 12097238400 in words is "twelve billion, ninety-seven million, two hundred thirty-eight thousand, four hundred".