12618284554207 has 2 divisors, whose sum is σ = 12618284554208. Its totient is φ = 12618284554206.

The previous prime is 12618284554177. The next prime is 12618284554241. The reversal of 12618284554207 is 70245548281621.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12618284554207 is a prime.

It is a super-2 number, since 2×12618284554207² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12618284554277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6309142277103 + 6309142277104.

It is an arithmetic number, because the mean of its divisors is an integer number (6309142277104).

Almost surely, 2^{12618284554207} is an apocalyptic number.

12618284554207 is a deficient number, since it is larger than the sum of its proper divisors (1).

12618284554207 is an equidigital number, since it uses as much as digits as its factorization.

12618284554207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8601600, while the sum is 55.

The spelling of 12618284554207 in words is "twelve trillion, six hundred eighteen billion, two hundred eighty-four million, five hundred fifty-four thousand, two hundred seven".