12078597312 has 448 divisors, whose sum is σ = 39256614400. Its totient is φ = 3627970560.

The previous prime is 12078597299. The next prime is 12078597313. The reversal of 12078597312 is 21379587021.

12078597312 is a `hidden beast` number, since 1 + 20 + 7 + 8 + 597 + 31 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (12078597313) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74101743 + ... + 74101905.

Almost surely, 2^12078597312 is an apocalyptic number.

12078597312 is a gapful number since it is divisible by the number (12) 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 12078597312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19628307200).

12078597312 is an abundant number, since it is smaller than the sum of its proper divisors (27178017088).

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

12078597312 is a wasteful number, since it uses less digits than its factorization.

12078597312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 12078597312 in words is "twelve billion, seventy-eight million, five hundred ninety-seven thousand, three hundred twelve".