12123801 has 12 divisors (see below), whose sum is σ = 17651712. Its totient is φ = 8018136.

The previous prime is 12123773. The next prime is 12123817. The reversal of 12123801 is 10832121.

It is not a de Polignac number, because 12123801 - 2⁷ = 12123673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12123101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4161 + ... + 6446.

It is an arithmetic number, because the mean of its divisors is an integer number (1470976).

Almost surely, 2^12123801 is an apocalyptic number.

It is an amenable number.

12123801 is a deficient number, since it is larger than the sum of its proper divisors (5527911).

12123801 is a wasteful number, since it uses less digits than its factorization.

12123801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10740 (or 10737 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 12123801 is about 3481.9248986731. The cubic root of 12123801 is about 229.7274717884.

Adding to 12123801 its reverse (10832121), we get a palindrome (22955922).

The spelling of 12123801 in words is "twelve million, one hundred twenty-three thousand, eight hundred one".