12311201 has 12 divisors (see below), whose sum is σ = 14656752. Its totient is φ = 10305288.

The previous prime is 12311191. The next prime is 12311207. The reversal of 12311201 is 10211321.

It is not a de Polignac number, because 12311201 - 2⁶ = 12311137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12311207) 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, 815 + ... + 5028.

It is an arithmetic number, because the mean of its divisors is an integer number (1221396).

Almost surely, 2^12311201 is an apocalyptic number.

It is an amenable number.

12311201 is a deficient number, since it is larger than the sum of its proper divisors (2345551).

12311201 is an equidigital number, since it uses as much as digits as its factorization.

12311201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5900 (or 5893 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 12311201 is about 3508.7321071863. The cubic root of 12311201 is about 230.9050727192.

Adding to 12311201 its reverse (10211321), we get a palindrome (22522522).

The spelling of 12311201 in words is "twelve million, three hundred eleven thousand, two hundred one".