12012212022011 has 16 divisors (see below), whose sum is σ = 12653995200000. Its totient is φ = 11371387704768.

The previous prime is 12012212021993. The next prime is 12012212022017. The reversal of 12012212022011 is 11022021221021.

It is a cyclic number.

It is not a de Polignac number, because 12012212022011 - 2²⁶ = 12012144913147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012212022017) 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, 175395671 + ... + 175464143.

It is an arithmetic number, because the mean of its divisors is an integer number (790874700000).

Almost surely, 2^{12012212022011} is an apocalyptic number.

12012212022011 is a deficient number, since it is larger than the sum of its proper divisors (641783177989).

12012212022011 is a wasteful number, since it uses less digits than its factorization.

12012212022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75338.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12012212022011 its reverse (11022021221021), we get a palindrome (23034233243032).

The spelling of 12012212022011 in words is "twelve trillion, twelve billion, two hundred twelve million, twenty-two thousand, eleven".