12662562100247 has 2 divisors, whose sum is σ = 12662562100248. Its totient is φ = 12662562100246.

The previous prime is 12662562100231. The next prime is 12662562100273. The reversal of 12662562100247 is 74200126526621.

It is a weak prime.

It is an emirp because it is prime and its reverse (74200126526621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12662562100247 - 2⁴ = 12662562100231 is a prime.

It is a super-4 number, since 4×12662562100247⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 12662562100198 and 12662562100207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12662562100277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6331281050123 + 6331281050124.

It is an arithmetic number, because the mean of its divisors is an integer number (6331281050124).

Almost surely, 2^{12662562100247} is an apocalyptic number.

12662562100247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12662562100247 is an equidigital number, since it uses as much as digits as its factorization.

12662562100247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 44.

Adding to 12662562100247 its reverse (74200126526621), we get a palindrome (86862688626868).

The spelling of 12662562100247 in words is "twelve trillion, six hundred sixty-two billion, five hundred sixty-two million, one hundred thousand, two hundred forty-seven".