12225078784 has 40 divisors (see below), whose sum is σ = 24668229168. Its totient is φ = 6051993600.

The previous prime is 12225078713. The next prime is 12225078791. The reversal of 12225078784 is 48787052221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66492 + ... + 169915.

Almost surely, 2^12225078784 is an apocalyptic number.

It is an amenable number.

12225078784 is an abundant number, since it is smaller than the sum of its proper divisors (12443150384).

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

12225078784 is an equidigital number, since it uses as much as digits as its factorization.

12225078784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236526 (or 236510 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 46.

The spelling of 12225078784 in words is "twelve billion, two hundred twenty-five million, seventy-eight thousand, seven hundred eighty-four".