12478344122 has 8 divisors (see below), whose sum is σ = 19034762400. Its totient is φ = 6133423324.

The previous prime is 12478344121. The next prime is 12478344157. The reversal of 12478344122 is 22144387421.

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

It is not an unprimeable number, because it can be changed into a prime (12478344121) 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, 52874222 + ... + 52874457.

It is an arithmetic number, because the mean of its divisors is an integer number (2379345300).

Almost surely, 2^12478344122 is an apocalyptic number.

12478344122 is a deficient number, since it is larger than the sum of its proper divisors (6556418278).

12478344122 is a wasteful number, since it uses less digits than its factorization.

12478344122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105748740.

The product of its digits is 86016, while the sum is 38.

The spelling of 12478344122 in words is "twelve billion, four hundred seventy-eight million, three hundred forty-four thousand, one hundred twenty-two".