12027855804988 has 48 divisors (see below), whose sum is σ = 21835952087040. Its totient is φ = 5791010601600.

The previous prime is 12027855804971. The next prime is 12027855804989. The reversal of 12027855804988 is 88940855872021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12027855804989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21668845 + ... + 22216987.

It is an arithmetic number, because the mean of its divisors is an integer number (454915668480).

Almost surely, 2^{12027855804988} is an apocalyptic number.

It is an amenable number.

12027855804988 is a deficient number, since it is larger than the sum of its proper divisors (9808096282052).

12027855804988 is a wasteful number, since it uses less digits than its factorization.

12027855804988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549058 (or 549056 counting only the distinct ones).

The product of its (nonzero) digits is 103219200, while the sum is 67.

The spelling of 12027855804988 in words is "twelve trillion, twenty-seven billion, eight hundred fifty-five million, eight hundred four thousand, nine hundred eighty-eight".