12219541285 has 8 divisors (see below), whose sum is σ = 16758228096. Its totient is φ = 8379114000.

The previous prime is 12219541283. The next prime is 12219541303. The reversal of 12219541285 is 58214591221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12219541285 - 2¹ = 12219541283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12219541283) 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, 174564841 + ... + 174564910.

It is an arithmetic number, because the mean of its divisors is an integer number (2094778512).

Almost surely, 2^12219541285 is an apocalyptic number.

It is an amenable number.

12219541285 is a deficient number, since it is larger than the sum of its proper divisors (4538686811).

12219541285 is an equidigital number, since it uses as much as digits as its factorization.

12219541285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349129763.

The product of its digits is 57600, while the sum is 40.

The spelling of 12219541285 in words is "twelve billion, two hundred nineteen million, five hundred forty-one thousand, two hundred eighty-five".