12219624784 has 40 divisors (see below), whose sum is σ = 23960573568. Its totient is φ = 6036508800.

The previous prime is 12219624751. The next prime is 12219624787. The reversal of 12219624784 is 48742691221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12219624787) 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, 779229 + ... + 794755.

Almost surely, 2^12219624784 is an apocalyptic number.

It is an amenable number.

12219624784 is a deficient number, since it is larger than the sum of its proper divisors (11740948784).

12219624784 is a wasteful number, since it uses less digits than its factorization.

12219624784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16123 (or 16117 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The spelling of 12219624784 in words is "twelve billion, two hundred nineteen million, six hundred twenty-four thousand, seven hundred eighty-four".