1212012222011 has 2 divisors, whose sum is σ = 1212012222012. Its totient is φ = 1212012222010.

The previous prime is 1212012222007. The next prime is 1212012222053. The reversal of 1212012222011 is 1102222102121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212012222011 - 2² = 1212012222007 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212012222061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606006111005 + 606006111006.

It is an arithmetic number, because the mean of its divisors is an integer number (606006111006).

Almost surely, 2^{1212012222011} is an apocalyptic number.

1212012222011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212012222011 is an equidigital number, since it uses as much as digits as its factorization.

1212012222011 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1212012222011 its reverse (1102222102121), we get a palindrome (2314234324132).

The spelling of 1212012222011 in words is "one trillion, two hundred twelve billion, twelve million, two hundred twenty-two thousand, eleven".