12210122011211 has 16 divisors (see below), whose sum is σ = 12672029959680. Its totient is φ = 11758692227040.

The previous prime is 12210122011193. The next prime is 12210122011277. The reversal of 12210122011211 is 11211022101221.

It is a cyclic number.

It is not a de Polignac number, because 12210122011211 - 2¹⁴ = 12210121994827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12210122011211.

It is not an unprimeable number, because it can be changed into a prime (12210122011291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7817171 + ... + 9248156.

It is an arithmetic number, because the mean of its divisors is an integer number (792001872480).

Almost surely, 2^{12210122011211} is an apocalyptic number.

12210122011211 is a deficient number, since it is larger than the sum of its proper divisors (461907948469).

12210122011211 is a wasteful number, since it uses less digits than its factorization.

12210122011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17065634.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12210122011211 its reverse (11211022101221), we get a palindrome (23421144112432).

The spelling of 12210122011211 in words is "twelve trillion, two hundred ten billion, one hundred twenty-two million, eleven thousand, two hundred eleven".