12900091103 has 2 divisors, whose sum is σ = 12900091104. Its totient is φ = 12900091102.

The previous prime is 12900091067. The next prime is 12900091123. The reversal of 12900091103 is 30119000921.

It is a strong prime.

It is an emirp because it is prime and its reverse (30119000921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12900091103 - 2³⁰ = 11826349279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12900091123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6450045551 + 6450045552.

It is an arithmetic number, because the mean of its divisors is an integer number (6450045552).

Almost surely, 2^12900091103 is an apocalyptic number.

12900091103 is a deficient number, since it is larger than the sum of its proper divisors (1).

12900091103 is an equidigital number, since it uses as much as digits as its factorization.

12900091103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 26.

The spelling of 12900091103 in words is "twelve billion, nine hundred million, ninety-one thousand, one hundred three".