12012101222011 has 16 divisors (see below), whose sum is σ = 13159449676800. Its totient is φ = 10873979524800.

The previous prime is 12012101221961. The next prime is 12012101222021. The reversal of 12012101222011 is 11022210121021.

It is a cyclic number.

It is not a de Polignac number, because 12012101222011 - 2²⁹ = 12011564351099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012101222021) 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, 82269970 + ... + 82415848.

It is an arithmetic number, because the mean of its divisors is an integer number (822465604800).

Almost surely, 2^{12012101222011} is an apocalyptic number.

12012101222011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12012101222011 is a deficient number, since it is larger than the sum of its proper divisors (1147348454789).

12012101222011 is a wasteful number, since it uses less digits than its factorization.

12012101222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177450.

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

Adding to 12012101222011 its reverse (11022210121021), we get a palindrome (23034311343032).

The spelling of 12012101222011 in words is "twelve trillion, twelve billion, one hundred one million, two hundred twenty-two thousand, eleven".