1212323303 has 2 divisors, whose sum is σ = 1212323304. Its totient is φ = 1212323302.

The previous prime is 1212323257. The next prime is 1212323309. The reversal of 1212323303 is 3033232121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212323303 - 2⁶ = 1212323239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212323309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606161651 + 606161652.

It is an arithmetic number, because the mean of its divisors is an integer number (606161652).

Almost surely, 2^1212323303 is an apocalyptic number.

1212323303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212323303 is an equidigital number, since it uses as much as digits as its factorization.

1212323303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1212323303 is about 34818.4333794615. The cubic root of 1212323303 is about 1066.2838163899.

Adding to 1212323303 its reverse (3033232121), we get a palindrome (4245555424).

The spelling of 1212323303 in words is "one billion, two hundred twelve million, three hundred twenty-three thousand, three hundred three".