12201210011 has 4 divisors (see below), whose sum is σ = 12460810272. Its totient is φ = 11941609752.

The previous prime is 12201210001. The next prime is 12201210019. The reversal of 12201210011 is 11001210221.

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

It is a cyclic number.

It is not a de Polignac number, because 12201210011 - 2¹⁸ = 12200947867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12201209974 and 12201210001.

It is not an unprimeable number, because it can be changed into a prime (12201210019) 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, 129800060 + ... + 129800153.

It is an arithmetic number, because the mean of its divisors is an integer number (3115202568).

Almost surely, 2^12201210011 is an apocalyptic number.

12201210011 is a deficient number, since it is larger than the sum of its proper divisors (259600261).

12201210011 is an equidigital number, since it uses as much as digits as its factorization.

12201210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259600260.

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

Adding to 12201210011 its reverse (11001210221), we get a palindrome (23202420232).

The spelling of 12201210011 in words is "twelve billion, two hundred one million, two hundred ten thousand, eleven".