12012858572004 has 96 divisors (see below), whose sum is σ = 32795605449600. Its totient is φ = 3792148513920.

The previous prime is 12012858572003. The next prime is 12012858572047. The reversal of 12012858572004 is 40027585821021.

12012858572004 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 28 + 58 + 572 + 0 + 0 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (12012858572003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4556634 + ... + 6692430.

It is an arithmetic number, because the mean of its divisors is an integer number (341620890100).

Almost surely, 2^{12012858572004} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12012858572004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16397802724800).

12012858572004 is an abundant number, since it is smaller than the sum of its proper divisors (20782746877596).

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

12012858572004 is a wasteful number, since it uses less digits than its factorization.

12012858572004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138570 (or 2138562 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The spelling of 12012858572004 in words is "twelve trillion, twelve billion, eight hundred fifty-eight million, five hundred seventy-two thousand, four".