12551122512307 has 4 divisors (see below), whose sum is σ = 12551207323000. Its totient is φ = 12551037701616.

The previous prime is 12551122512293. The next prime is 12551122512311. The reversal of 12551122512307 is 70321522115521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12551122512307 - 2¹¹ = 12551122510259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12551123512307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42182973 + ... + 42479470.

It is an arithmetic number, because the mean of its divisors is an integer number (3137801830750).

Almost surely, 2^{12551122512307} is an apocalyptic number.

12551122512307 is a deficient number, since it is larger than the sum of its proper divisors (84810693).

12551122512307 is an equidigital number, since it uses as much as digits as its factorization.

12551122512307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84810692.

The product of its (nonzero) digits is 42000, while the sum is 37.

Adding to 12551122512307 its reverse (70321522115521), we get a palindrome (82872644627828).

The spelling of 12551122512307 in words is "twelve trillion, five hundred fifty-one billion, one hundred twenty-two million, five hundred twelve thousand, three hundred seven".