12231248400 has 960 divisors, whose sum is σ = 54556508160. Its totient is φ = 2538086400.

The previous prime is 12231248399. The next prime is 12231248413. The reversal of 12231248400 is 484213221.

12231248400 is a `hidden beast` number, since 1 + 2 + 231 + 24 + 8 + 400 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 39841047 + ... + 39841353.

It is an arithmetic number, because the mean of its divisors is an integer number (56829696).

Almost surely, 2^12231248400 is an apocalyptic number.

12231248400 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 12231248400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27278254080).

12231248400 is an abundant number, since it is smaller than the sum of its proper divisors (42325259760).

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

12231248400 is a wasteful number, since it uses less digits than its factorization.

12231248400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The spelling of 12231248400 in words is "twelve billion, two hundred thirty-one million, two hundred forty-eight thousand, four hundred".