1212345703 has 2 divisors, whose sum is σ = 1212345704. Its totient is φ = 1212345702.

The previous prime is 1212345697. The next prime is 1212345713. The reversal of 1212345703 is 3075432121.

It is a weak prime.

It is an emirp because it is prime and its reverse (3075432121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212345703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212345713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606172851 + 606172852.

It is an arithmetic number, because the mean of its divisors is an integer number (606172852).

Almost surely, 2^1212345703 is an apocalyptic number.

1212345703 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212345703 is an equidigital number, since it uses as much as digits as its factorization.

1212345703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1212345703 is about 34818.7550466699. The cubic root of 1212345703 is about 1066.2903835628.

Adding to 1212345703 its reverse (3075432121), we get a palindrome (4287777824).

The spelling of 1212345703 in words is "one billion, two hundred twelve million, three hundred forty-five thousand, seven hundred three".