1213003229 has 2 divisors, whose sum is σ = 1213003230. Its totient is φ = 1213003228.

The previous prime is 1213003199. The next prime is 1213003237. The reversal of 1213003229 is 9223003121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1137712900 + 75290329 = 33730^2 + 8677^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213003229 - 2¹² = 1212999133 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213005229) 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, 606501614 + 606501615.

It is an arithmetic number, because the mean of its divisors is an integer number (606501615).

Almost surely, 2^1213003229 is an apocalyptic number.

It is an amenable number.

1213003229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213003229 is an equidigital number, since it uses as much as digits as its factorization.

1213003229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1213003229 is about 34828.1958906860. The cubic root of 1213003229 is about 1066.4831192750.

The spelling of 1213003229 in words is "one billion, two hundred thirteen million, three thousand, two hundred twenty-nine".