12311100201 has 4 divisors (see below), whose sum is σ = 16414800272. Its totient is φ = 8207400132.

The previous prime is 12311100199. The next prime is 12311100203. The reversal of 12311100201 is 10200111321.

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 an interprime number because it is at equal distance from previous prime (12311100199) and next prime (12311100203).

It is not a de Polignac number, because 12311100201 - 2¹ = 12311100199 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12311100203) 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, 2051850031 + ... + 2051850036.

It is an arithmetic number, because the mean of its divisors is an integer number (4103700068).

Almost surely, 2^12311100201 is an apocalyptic number.

It is an amenable number.

12311100201 is a deficient number, since it is larger than the sum of its proper divisors (4103700071).

12311100201 is an equidigital number, since it uses as much as digits as its factorization.

12311100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103700070.

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

Adding to 12311100201 its reverse (10200111321), we get a palindrome (22511211522).

The spelling of 12311100201 in words is "twelve billion, three hundred eleven million, one hundred thousand, two hundred one".