12219541284 has 48 divisors (see below), whose sum is σ = 28813353408. Its totient is φ = 4030361088.

The previous prime is 12219541283. The next prime is 12219541303. The reversal of 12219541284 is 48214591221.

12219541284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12219541283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502699 + ... + 526445.

It is an arithmetic number, because the mean of its divisors is an integer number (600278196).

Almost surely, 2^12219541284 is an apocalyptic number.

It is an amenable number.

12219541284 is an abundant number, since it is smaller than the sum of its proper divisors (16593812124).

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

12219541284 is a wasteful number, since it uses less digits than its factorization.

12219541284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24204 (or 24202 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The spelling of 12219541284 in words is "twelve billion, two hundred nineteen million, five hundred forty-one thousand, two hundred eighty-four".