12622625218513 has 4 divisors (see below), whose sum is σ = 12676799575908. Its totient is φ = 12568450861120.

The previous prime is 12622625218487. The next prime is 12622625218523. The reversal of 12622625218513 is 31581252622621.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8681673675024 + 3940951543489 = 2946468^2 + 1985183^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12622625218513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12622625218523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27087178348 + ... + 27087178813.

It is an arithmetic number, because the mean of its divisors is an integer number (3169199893977).

Almost surely, 2^{12622625218513} is an apocalyptic number.

It is an amenable number.

12622625218513 is a deficient number, since it is larger than the sum of its proper divisors (54174357395).

12622625218513 is an equidigital number, since it uses as much as digits as its factorization.

12622625218513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54174357394.

The product of its digits is 691200, while the sum is 46.

The spelling of 12622625218513 in words is "twelve trillion, six hundred twenty-two billion, six hundred twenty-five million, two hundred eighteen thousand, five hundred thirteen".