12016775051 has 4 divisors (see below), whose sum is σ = 12018577704. Its totient is φ = 12014972400.

The previous prime is 12016775047. The next prime is 12016775059. The reversal of 12016775051 is 15057761021.

12016775051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15057761021 = 439 ⋅34300139.

It is a cyclic number.

It is not a de Polignac number, because 12016775051 - 2² = 12016775047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12016775059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891290 + ... + 904671.

It is an arithmetic number, because the mean of its divisors is an integer number (3004644426).

Almost surely, 2^12016775051 is an apocalyptic number.

12016775051 is a deficient number, since it is larger than the sum of its proper divisors (1802653).

12016775051 is an equidigital number, since it uses as much as digits as its factorization.

12016775051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802652.

The product of its (nonzero) digits is 14700, while the sum is 35.

The spelling of 12016775051 in words is "twelve billion, sixteen million, seven hundred seventy-five thousand, fifty-one".