100000012103 has 2 divisors, whose sum is σ = 100000012104. Its totient is φ = 100000012102.

The previous prime is 100000012097. The next prime is 100000012157. The reversal of 100000012103 is 301210000001.

It is a weak prime.

It is an emirp because it is prime and its reverse (301210000001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100000012103 - 2⁴ = 100000012087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100000012183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000006051 + 50000006052.

It is an arithmetic number, because the mean of its divisors is an integer number (50000006052).

Almost surely, 2^100000012103 is an apocalyptic number.

100000012103 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000012103 is an equidigital number, since it uses as much as digits as its factorization.

100000012103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 100000012103 its reverse (301210000001), we get a palindrome (401210012104).

The spelling of 100000012103 in words is "one hundred billion, twelve thousand, one hundred three".