1212201233393 has 2 divisors, whose sum is σ = 1212201233394. Its totient is φ = 1212201233392.

The previous prime is 1212201233377. The next prime is 1212201233401. The reversal of 1212201233393 is 3933321022121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 611292549904 + 600908683489 = 781852^2 + 775183^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212201233393 - 2⁴ = 1212201233377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212201233293) 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, 606100616696 + 606100616697.

It is an arithmetic number, because the mean of its divisors is an integer number (606100616697).

Almost surely, 2^{1212201233393} is an apocalyptic number.

It is an amenable number.

1212201233393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212201233393 is an equidigital number, since it uses as much as digits as its factorization.

1212201233393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 1212201233393 in words is "one trillion, two hundred twelve billion, two hundred one million, two hundred thirty-three thousand, three hundred ninety-three".