12228887273 has 8 divisors (see below), whose sum is σ = 12779443008. Its totient is φ = 11679903664.

The previous prime is 12228887267. The next prime is 12228887299. The reversal of 12228887273 is 37278882221.

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

It is a cyclic number.

It is not a de Polignac number, because 12228887273 - 2⁴ = 12228887257 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 (12228887173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377111 + ... + 408252.

It is an arithmetic number, because the mean of its divisors is an integer number (1597430376).

Almost surely, 2^12228887273 is an apocalyptic number.

It is an amenable number.

12228887273 is a deficient number, since it is larger than the sum of its proper divisors (550555735).

12228887273 is an equidigital number, since it uses as much as digits as its factorization.

12228887273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786063.

The product of its digits is 1204224, while the sum is 50.

The spelling of 12228887273 in words is "twelve billion, two hundred twenty-eight million, eight hundred eighty-seven thousand, two hundred seventy-three".