12309101 has 4 divisors (see below), whose sum is σ = 14067552. Its totient is φ = 10550652.

The previous prime is 12309097. The next prime is 12309103. The reversal of 12309101 is 10190321.

It is a happy number.

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.

It is not a de Polignac number, because 12309101 - 2² = 12309097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12309101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12309103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 879215 + ... + 879228.

It is an arithmetic number, because the mean of its divisors is an integer number (3516888).

Almost surely, 2^12309101 is an apocalyptic number.

It is an amenable number.

12309101 is a deficient number, since it is larger than the sum of its proper divisors (1758451).

12309101 is an equidigital number, since it uses as much as digits as its factorization.

12309101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758450.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 12309101 is about 3508.4328410275. The cubic root of 12309101 is about 230.8919429894.

Adding to 12309101 its reverse (10190321), we get a palindrome (22499422).

The spelling of 12309101 in words is "twelve million, three hundred nine thousand, one hundred one".