12201202101211 has 4 divisors (see below), whose sum is σ = 12211784237752. Its totient is φ = 12190619964672.

The previous prime is 12201202101091. The next prime is 12201202101233. The reversal of 12201202101211 is 11210120210221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12201202101211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201202401211) 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, 5291066541 + ... + 5291068846.

It is an arithmetic number, because the mean of its divisors is an integer number (3052946059438).

Almost surely, 2^{12201202101211} is an apocalyptic number.

12201202101211 is a deficient number, since it is larger than the sum of its proper divisors (10582136541).

12201202101211 is a wasteful number, since it uses less digits than its factorization.

12201202101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10582136540.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12201202101211 its reverse (11210120210221), we get a palindrome (23411322311432).

The spelling of 12201202101211 in words is "twelve trillion, two hundred one billion, two hundred two million, one hundred one thousand, two hundred eleven".