12027855805007 has 16 divisors (see below), whose sum is σ = 13817648596992. Its totient is φ = 10255947287040.

The previous prime is 12027855804989. The next prime is 12027855805061. The reversal of 12027855805007 is 70050855872021.

It is a happy number.

It is not a de Polignac number, because 12027855805007 - 2²⁰ = 12027854756431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12027855805907) 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, 96495038 + ... + 96619604.

It is an arithmetic number, because the mean of its divisors is an integer number (863603037312).

Almost surely, 2^{12027855805007} is an apocalyptic number.

12027855805007 is a deficient number, since it is larger than the sum of its proper divisors (1789792791985).

12027855805007 is a wasteful number, since it uses less digits than its factorization.

12027855805007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196238.

The product of its (nonzero) digits is 1568000, while the sum is 50.

The spelling of 12027855805007 in words is "twelve trillion, twenty-seven billion, eight hundred fifty-five million, eight hundred five thousand, seven".