12310101 has 6 divisors (see below), whose sum is σ = 17781270. Its totient is φ = 8206728.

The previous prime is 12310097. The next prime is 12310121. The reversal of 12310101 is 10101321.

12310101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11553201 + 756900 = 3399^2 + 870^2 .

It is not a de Polignac number, because 12310101 - 2² = 12310097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1367789 = 12310101 / (1 + 2 + 3 + 1 + 0 + 1 + 0 + 1).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 683886 + ... + 683903.

It is an arithmetic number, because the mean of its divisors is an integer number (2963545).

Almost surely, 2^12310101 is an apocalyptic number.

It is an amenable number.

12310101 is a deficient number, since it is larger than the sum of its proper divisors (5471169).

12310101 is a wasteful number, since it uses less digits than its factorization.

12310101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367795 (or 1367792 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 12310101 is about 3508.5753519057. The cubic root of 12310101 is about 230.8981954279.

Adding to 12310101 its reverse (10101321), we get a palindrome (22411422).

The spelling of 12310101 in words is "twelve million, three hundred ten thousand, one hundred one".