1212012022213 has 2 divisors, whose sum is σ = 1212012022214. Its totient is φ = 1212012022212.

The previous prime is 1212012022183. The next prime is 1212012022223. The reversal of 1212012022213 is 3122202102121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1210424637249 + 1587384964 = 1100193^2 + 39842^2 .

It is an emirp because it is prime and its reverse (3122202102121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1212012022213 - 2⁵ = 1212012022181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212012022223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606006011106 + 606006011107.

It is an arithmetic number, because the mean of its divisors is an integer number (606006011107).

Almost surely, 2^{1212012022213} is an apocalyptic number.

It is an amenable number.

1212012022213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212012022213 is an equidigital number, since it uses as much as digits as its factorization.

1212012022213 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 19.

Adding to 1212012022213 its reverse (3122202102121), we get a palindrome (4334214124334).

The spelling of 1212012022213 in words is "one trillion, two hundred twelve billion, twelve million, twenty-two thousand, two hundred thirteen".