12026221985 has 8 divisors (see below), whose sum is σ = 14488963776. Its totient is φ = 9582646000.

The previous prime is 12026221979. The next prime is 12026222009. The reversal of 12026221985 is 58912262021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12026221985 - 2³² = 7731254689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4790069 + ... + 4792578.

It is an arithmetic number, because the mean of its divisors is an integer number (1811120472).

Almost surely, 2^12026221985 is an apocalyptic number.

It is an amenable number.

12026221985 is a deficient number, since it is larger than the sum of its proper divisors (2462741791).

12026221985 is an equidigital number, since it uses as much as digits as its factorization.

12026221985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9582903.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 12026221985 in words is "twelve billion, twenty-six million, two hundred twenty-one thousand, nine hundred eighty-five".