12641171226 has 8 divisors (see below), whose sum is σ = 25282342464. Its totient is φ = 4213723740.

The previous prime is 12641171173. The next prime is 12641171239. The reversal of 12641171226 is 62217114621.

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

12641171226 is an admirable 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, 1053430930 + ... + 1053430941.

It is an arithmetic number, because the mean of its divisors is an integer number (3160292808).

Almost surely, 2^12641171226 is an apocalyptic number.

12641171226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12641171226 is a wasteful number, since it uses less digits than its factorization.

12641171226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106861876.

The product of its digits is 8064, while the sum is 33.

Adding to 12641171226 its reverse (62217114621), we get a palindrome (74858285847).

The spelling of 12641171226 in words is "twelve billion, six hundred forty-one million, one hundred seventy-one thousand, two hundred twenty-six".