12102212220211 has 16 divisors (see below), whose sum is σ = 12897038531520. Its totient is φ = 11316828405760.

The previous prime is 12102212220187. The next prime is 12102212220229. The reversal of 12102212220211 is 11202221220121.

It is a cyclic number.

It is not a de Polignac number, because 12102212220211 - 2³¹ = 12100064736563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102212220611) 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, 1860895 + ... + 5259976.

It is an arithmetic number, because the mean of its divisors is an integer number (806064908220).

Almost surely, 2^{12102212220211} is an apocalyptic number.

12102212220211 is a deficient number, since it is larger than the sum of its proper divisors (794826311309).

12102212220211 is a wasteful number, since it uses less digits than its factorization.

12102212220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7121534.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12102212220211 its reverse (11202221220121), we get a palindrome (23304433440332).

The spelling of 12102212220211 in words is "twelve trillion, one hundred two billion, two hundred twelve million, two hundred twenty thousand, two hundred eleven".