12011210201 has 16 divisors (see below), whose sum is σ = 12246498000. Its totient is φ = 11778801408.

The previous prime is 12011210153. The next prime is 12011210203. The reversal of 12011210201 is 10201211021.

It can be written as a sum of positive squares in 8 ways, for example, as 2466115600 + 9545094601 = 49660^2 + 97699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011210201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011210203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5147231 + ... + 5149563.

It is an arithmetic number, because the mean of its divisors is an integer number (765406125).

Almost surely, 2^12011210201 is an apocalyptic number.

It is an amenable number.

12011210201 is a deficient number, since it is larger than the sum of its proper divisors (235287799).

12011210201 is a wasteful number, since it uses less digits than its factorization.

12011210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12011210201 its reverse (10201211021), we get a palindrome (22212421222).

The spelling of 12011210201 in words is "twelve billion, eleven million, two hundred ten thousand, two hundred one".