12222878318 has 8 divisors (see below), whose sum is σ = 20953505712. Its totient is φ = 5238376416.

The previous prime is 12222878287. The next prime is 12222878347. The reversal of 12222878318 is 81387822221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436531355 + ... + 436531382.

It is an arithmetic number, because the mean of its divisors is an integer number (2619188214).

Almost surely, 2^12222878318 is an apocalyptic number.

12222878318 is a deficient number, since it is larger than the sum of its proper divisors (8730627394).

12222878318 is an equidigital number, since it uses as much as digits as its factorization.

12222878318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873062746.

The product of its digits is 172032, while the sum is 44.

The spelling of 12222878318 in words is "twelve billion, two hundred twenty-two million, eight hundred seventy-eight thousand, three hundred eighteen".