1229004211 has 2 divisors, whose sum is σ = 1229004212. Its totient is φ = 1229004210.

The previous prime is 1229004209. The next prime is 1229004229. The reversal of 1229004211 is 1124009221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1229004211 - 2¹ = 1229004209 is a prime.

Together with 1229004209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1229002211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614502105 + 614502106.

It is an arithmetic number, because the mean of its divisors is an integer number (614502106).

Almost surely, 2^1229004211 is an apocalyptic number.

1229004211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1229004211 is an equidigital number, since it uses as much as digits as its factorization.

1229004211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1229004211 is about 35057.1563450318. The cubic root of 1229004211 is about 1071.1520508606.

The spelling of 1229004211 in words is "one billion, two hundred twenty-nine million, four thousand, two hundred eleven".