12900101 has 4 divisors (see below), whose sum is σ = 12909312. Its totient is φ = 12890892.

The previous prime is 12900089. The next prime is 12900103. The reversal of 12900101 is 10100921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10100921 = 109 ⋅92669.

It is a cyclic number.

It is not a de Polignac number, because 12900101 - 2¹⁰ = 12899077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12900103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2021 + ... + 5466.

It is an arithmetic number, because the mean of its divisors is an integer number (3227328).

Almost surely, 2^12900101 is an apocalyptic number.

It is an amenable number.

12900101 is a deficient number, since it is larger than the sum of its proper divisors (9211).

12900101 is an equidigital number, since it uses as much as digits as its factorization.

12900101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9210.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 12900101 is about 3591.6710595487. The cubic root of 12900101 is about 234.5296219644.

The spelling of 12900101 in words is "twelve million, nine hundred thousand, one hundred one".