12012212102211 has 6 divisors (see below), whose sum is σ = 17350973036540. Its totient is φ = 8008141401468.

The previous prime is 12012212102207. The next prime is 12012212102251. The reversal of 12012212102211 is 11220121221021.

12012212102211 is a `hidden beast` number, since 1 + 20 + 1 + 221 + 210 + 2 + 211 = 666.

12012212102211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12012212102211 - 2² = 12012212102207 is a prime.

It is a super-2 number, since 2×12012212102211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012212102251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 667345116781 + ... + 667345116798.

Almost surely, 2^{12012212102211} is an apocalyptic number.

12012212102211 is a deficient number, since it is larger than the sum of its proper divisors (5338760934329).

12012212102211 is a wasteful number, since it uses less digits than its factorization.

12012212102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334690233585 (or 1334690233582 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12012212102211 its reverse (11220121221021), we get a palindrome (23232333323232).

The spelling of 12012212102211 in words is "twelve trillion, twelve billion, two hundred twelve million, one hundred two thousand, two hundred eleven".