12043313280 has 448 divisors, whose sum is σ = 43827376320. Its totient is φ = 3162654720.

The previous prime is 12043313257. The next prime is 12043313299. The reversal of 12043313280 is 8231334021.

12043313280 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 331 + 328 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 38724325 + ... + 38724635.

It is an arithmetic number, because the mean of its divisors is an integer number (97828965).

Almost surely, 2^12043313280 is an apocalyptic number.

12043313280 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 12043313280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21913688160).

12043313280 is an abundant number, since it is smaller than the sum of its proper divisors (31784063040).

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

12043313280 is an frugal number, since it uses more digits than its factorization.

12043313280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 12043313280 in words is "twelve billion, forty-three million, three hundred thirteen thousand, two hundred eighty".