12751205552226 has 24 divisors (see below), whose sum is σ = 27628053096540. Its totient is φ = 4250333994336.

The previous prime is 12751205552207. The next prime is 12751205552273. The reversal of 12751205552226 is 62225550215721.

12751205552226 is a `hidden beast` number, since 1 + 2 + 7 + 51 + 2 + 0 + 55 + 522 + 26 = 666.

12751205552226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11853553524201 + 897652028025 = 3442899^2 + 947445^2 .

It is a super-2 number, since 2×12751205552226² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4489405 + ... + 6757008.

Almost surely, 2^{12751205552226} is an apocalyptic number.

12751205552226 is an abundant number, since it is smaller than the sum of its proper divisors (14876847544314).

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

12751205552226 is a wasteful number, since it uses less digits than its factorization.

12751205552226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11309410 (or 11309407 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 45.

Adding to 12751205552226 its reverse (62225550215721), we get a palindrome (74976755767947).

The spelling of 12751205552226 in words is "twelve trillion, seven hundred fifty-one billion, two hundred five million, five hundred fifty-two thousand, two hundred twenty-six".