12547052226 has 32 divisors (see below), whose sum is σ = 28475585280. Its totient is φ = 4093363728.

The previous prime is 12547052197. The next prime is 12547052227. The reversal of 12547052226 is 62225074521.

12547052226 is a `hidden beast` number, since 12 + 54 + 70 + 522 + 2 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (12547052227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2469301 + ... + 2474376.

It is an arithmetic number, because the mean of its divisors is an integer number (889862040).

Almost surely, 2^12547052226 is an apocalyptic number.

12547052226 is an abundant number, since it is smaller than the sum of its proper divisors (15928533054).

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

12547052226 is a wasteful number, since it uses less digits than its factorization.

12547052226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943735 (or 4943729 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 12547052226 in words is "twelve billion, five hundred forty-seven million, fifty-two thousand, two hundred twenty-six".