100000012087 has 2 divisors, whose sum is σ = 100000012088. Its totient is φ = 100000012086.

The previous prime is 100000012069. The next prime is 100000012097. The reversal of 100000012087 is 780210000001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100000012087 - 2¹¹ = 100000010039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100000012097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000006043 + 50000006044.

It is an arithmetic number, because the mean of its divisors is an integer number (50000006044).

Almost surely, 2^100000012087 is an apocalyptic number.

100000012087 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000012087 is an equidigital number, since it uses as much as digits as its factorization.

100000012087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 100000012087 its reverse (780210000001), we get a palindrome (880210012088).

The spelling of 100000012087 in words is "one hundred billion, twelve thousand, eighty-seven".