12228887274 has 48 divisors (see below), whose sum is σ = 25957804320. Its totient is φ = 3840058080.

The previous prime is 12228887267. The next prime is 12228887299. The reversal of 12228887274 is 47278882221.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371944 + ... + 403484.

It is an arithmetic number, because the mean of its divisors is an integer number (540787590).

Almost surely, 2^12228887274 is an apocalyptic number.

12228887274 is an abundant number, since it is smaller than the sum of its proper divisors (13728917046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12228887274 is a wasteful number, since it uses less digits than its factorization.

12228887274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31763 (or 31744 counting only the distinct ones).

The product of its digits is 1605632, while the sum is 51.

The spelling of 12228887274 in words is "twelve billion, two hundred twenty-eight million, eight hundred eighty-seven thousand, two hundred seventy-four".