1213225303 has 2 divisors, whose sum is σ = 1213225304. Its totient is φ = 1213225302.

The previous prime is 1213225267. The next prime is 1213225327. The reversal of 1213225303 is 3035223121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213225303 - 2²⁹ = 676354391 is a prime.

It is a super-3 number, since 3×1213225303³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213225333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606612651 + 606612652.

It is an arithmetic number, because the mean of its divisors is an integer number (606612652).

Almost surely, 2^1213225303 is an apocalyptic number.

1213225303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213225303 is an equidigital number, since it uses as much as digits as its factorization.

1213225303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1213225303 is about 34831.3838800585. The cubic root of 1213225303 is about 1066.5481984423.

Adding to 1213225303 its reverse (3035223121), we get a palindrome (4248448424).

The spelling of 1213225303 in words is "one billion, two hundred thirteen million, two hundred twenty-five thousand, three hundred three".