12219543104 has 28 divisors (see below), whose sum is σ = 24327179184. Its totient is φ = 6089860224.

The previous prime is 12219543097. The next prime is 12219543107. The reversal of 12219543104 is 40134591221.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (12219543107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291314 + ... + 330609.

It is an arithmetic number, because the mean of its divisors is an integer number (868827828).

Almost surely, 2^12219543104 is an apocalyptic number.

It is an amenable number.

12219543104 is a deficient number, since it is larger than the sum of its proper divisors (12107636080).

12219543104 is an equidigital number, since it uses as much as digits as its factorization.

12219543104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622242 (or 622232 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 12219543104 in words is "twelve billion, two hundred nineteen million, five hundred forty-three thousand, one hundred four".