12201011212011 has 32 divisors (see below), whose sum is σ = 17387979840000. Its totient is φ = 7583122229760.

The previous prime is 12201011212007. The next prime is 12201011212051. The reversal of 12201011212011 is 11021211010221.

It is a happy number.

It is not a de Polignac number, because 12201011212011 - 2² = 12201011212007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12201011212051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19137306 + ... + 19764576.

It is an arithmetic number, because the mean of its divisors is an integer number (543374370000).

Almost surely, 2^{12201011212011} is an apocalyptic number.

12201011212011 is a deficient number, since it is larger than the sum of its proper divisors (5186968627989).

12201011212011 is a wasteful number, since it uses less digits than its factorization.

12201011212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630899.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12201011212011 its reverse (11021211010221), we get a palindrome (23222222222232).

The spelling of 12201011212011 in words is "twelve trillion, two hundred one billion, eleven million, two hundred twelve thousand, eleven".