12642110226 has 12 divisors (see below), whose sum is σ = 27391238862. Its totient is φ = 4214036736.

The previous prime is 12642110213. The next prime is 12642110233. The reversal of 12642110226 is 62201124621.

12642110226 is a `hidden beast` number, since 1 + 2 + 6 + 421 + 10 + 226 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12551841225 + 90269001 = 112035^2 + 9501^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12642110226.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 351169711 + ... + 351169746.

Almost surely, 2^12642110226 is an apocalyptic number.

12642110226 is an abundant number, since it is smaller than the sum of its proper divisors (14749128636).

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

12642110226 is a wasteful number, since it uses less digits than its factorization.

12642110226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702339465 (or 702339462 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 12642110226 its reverse (62201124621), we get a palindrome (74843234847).

The spelling of 12642110226 in words is "twelve billion, six hundred forty-two million, one hundred ten thousand, two hundred twenty-six".