12000722889 has 16 divisors (see below), whose sum is σ = 16257936128. Its totient is φ = 7872262992.

The previous prime is 12000722879. The next prime is 12000722911. The reversal of 12000722889 is 98822700021.

It is not a de Polignac number, because 12000722889 - 2⁴ = 12000722873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12000722809) 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, 149394 + ... + 215220.

It is an arithmetic number, because the mean of its divisors is an integer number (1016121008).

Almost surely, 2^12000722889 is an apocalyptic number.

It is an amenable number.

12000722889 is a deficient number, since it is larger than the sum of its proper divisors (4257213239).

12000722889 is an equidigital number, since it uses as much as digits as its factorization.

12000722889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66804.

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 12000722889 in words is "twelve billion, seven hundred twenty-two thousand, eight hundred eighty-nine".