12211031201 has 4 divisors (see below), whose sum is σ = 12929327172. Its totient is φ = 11492735232.

The previous prime is 12211031191. The next prime is 12211031213. The reversal of 12211031201 is 10213011221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8753473600 + 3457557601 = 93560^2 + 58801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12211031201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211031251) 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, 359147960 + ... + 359147993.

It is an arithmetic number, because the mean of its divisors is an integer number (3232331793).

Almost surely, 2^12211031201 is an apocalyptic number.

It is an amenable number.

12211031201 is a deficient number, since it is larger than the sum of its proper divisors (718295971).

12211031201 is an equidigital number, since it uses as much as digits as its factorization.

12211031201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718295970.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12211031201 its reverse (10213011221), we get a palindrome (22424042422).

The spelling of 12211031201 in words is "twelve billion, two hundred eleven million, thirty-one thousand, two hundred one".