1212341426203 has 2 divisors, whose sum is σ = 1212341426204. Its totient is φ = 1212341426202.

The previous prime is 1212341426039. The next prime is 1212341426287. The reversal of 1212341426203 is 3026241432121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212341426203 - 2²¹ = 1212339329051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212341426003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606170713101 + 606170713102.

It is an arithmetic number, because the mean of its divisors is an integer number (606170713102).

Almost surely, 2^{1212341426203} is an apocalyptic number.

1212341426203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212341426203 is an equidigital number, since it uses as much as digits as its factorization.

1212341426203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 1212341426203 its reverse (3026241432121), we get a palindrome (4238582858324).

The spelling of 1212341426203 in words is "one trillion, two hundred twelve billion, three hundred forty-one million, four hundred twenty-six thousand, two hundred three".