100012181267 has 2 divisors, whose sum is σ = 100012181268. Its totient is φ = 100012181266.

The previous prime is 100012181221. The next prime is 100012181273. The reversal of 100012181267 is 762181210001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100012181267 - 2¹⁴ = 100012164883 is a prime.

It is not a weakly prime, because it can be changed into another prime (100012181207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50006090633 + 50006090634.

It is an arithmetic number, because the mean of its divisors is an integer number (50006090634).

Almost surely, 2^100012181267 is an apocalyptic number.

100012181267 is a deficient number, since it is larger than the sum of its proper divisors (1).

100012181267 is an equidigital number, since it uses as much as digits as its factorization.

100012181267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 29.

Adding to 100012181267 its reverse (762181210001), we get a palindrome (862193391268).

The spelling of 100012181267 in words is "one hundred billion, twelve million, one hundred eighty-one thousand, two hundred sixty-seven".