100002012100747 has 2 divisors, whose sum is σ = 100002012100748. Its totient is φ = 100002012100746.

The previous prime is 100002012100741. The next prime is 100002012100769. The reversal of 100002012100747 is 747001210200001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100002012100747 is a prime.

It is not a weakly prime, because it can be changed into another prime (100002012100741) 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 as a sum of consecutive naturals, namely, 50001006050373 + 50001006050374.

It is an arithmetic number, because the mean of its divisors is an integer number (50001006050374).

Almost surely, 2^{100002012100747} is an apocalyptic number.

100002012100747 is a deficient number, since it is larger than the sum of its proper divisors (1).

100002012100747 is an equidigital number, since it uses as much as digits as its factorization.

100002012100747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 25.

Adding to 100002012100747 its reverse (747001210200001), we get a palindrome (847003222300748).

The spelling of 100002012100747 in words is "one hundred trillion, two billion, twelve million, one hundred thousand, seven hundred forty-seven".