12232001 has 2 divisors, whose sum is σ = 12232002. Its totient is φ = 12232000.

The previous prime is 12231977. The next prime is 12232013. The reversal of 12232001 is 10023221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11895601 + 336400 = 3449^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 12232001 - 2⁶ = 12231937 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (12232091) 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 as a sum of consecutive naturals, namely, 6116000 + 6116001.

It is an arithmetic number, because the mean of its divisors is an integer number (6116001).

Almost surely, 2^12232001 is an apocalyptic number.

It is an amenable number.

12232001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12232001 is an equidigital number, since it uses as much as digits as its factorization.

12232001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 12232001 is about 3497.4277690897. The cubic root of 12232001 is about 230.4088568905.

Adding to 12232001 its reverse (10023221), we get a palindrome (22255222).

It can be divided in two parts, 122 and 32001, that added together give a palindrome (32123).

The spelling of 12232001 in words is "twelve million, two hundred thirty-two thousand, one".