1232221212011 has 2 divisors, whose sum is σ = 1232221212012. Its totient is φ = 1232221212010.

The previous prime is 1232221211959. The next prime is 1232221212049. The reversal of 1232221212011 is 1102121222321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1232221212011 - 2¹⁴ = 1232221195627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232221212311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616110606005 + 616110606006.

It is an arithmetic number, because the mean of its divisors is an integer number (616110606006).

Almost surely, 2^{1232221212011} is an apocalyptic number.

1232221212011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232221212011 is an equidigital number, since it uses as much as digits as its factorization.

1232221212011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1232221212011 its reverse (1102121222321), we get a palindrome (2334342434332).

The spelling of 1232221212011 in words is "one trillion, two hundred thirty-two billion, two hundred twenty-one million, two hundred twelve thousand, eleven".