12219784875 has 64 divisors (see below), whose sum is σ = 23922138240. Its totient is φ = 6133824000.

The previous prime is 12219784799. The next prime is 12219784877. The reversal of 12219784875 is 57848791221.

It is not a de Polignac number, because 12219784875 - 2¹³ = 12219776683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12219784877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49116 + ... + 163865.

It is an arithmetic number, because the mean of its divisors is an integer number (373783410).

Almost surely, 2^12219784875 is an apocalyptic number.

12219784875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12219784875 is a deficient number, since it is larger than the sum of its proper divisors (11702353365).

12219784875 is a wasteful number, since it uses less digits than its factorization.

12219784875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213022 (or 213006 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 54.

The spelling of 12219784875 in words is "twelve billion, two hundred nineteen million, seven hundred eighty-four thousand, eight hundred seventy-five".