12228278750 has 20 divisors (see below), whose sum is σ = 22920688032. Its totient is φ = 4891311000.

The previous prime is 12228278743. The next prime is 12228278779. The reversal of 12228278750 is 5787282221.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4890062 + ... + 4892561.

Almost surely, 2^12228278750 is an apocalyptic number.

12228278750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12228278750 is a deficient number, since it is larger than the sum of its proper divisors (10692409282).

12228278750 is an frugal number, since it uses more digits than its factorization.

12228278750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9782645 (or 9782630 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 44.

The spelling of 12228278750 in words is "twelve billion, two hundred twenty-eight million, two hundred seventy-eight thousand, seven hundred fifty".