1224202099 has 2 divisors, whose sum is σ = 1224202100. Its totient is φ = 1224202098.

The previous prime is 1224202097. The next prime is 1224202123. The reversal of 1224202099 is 9902024221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1224202099 - 2¹ = 1224202097 is a prime.

Together with 1224202097, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1224202099.

It is not a weakly prime, because it can be changed into another prime (1224202097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612101049 + 612101050.

It is an arithmetic number, because the mean of its divisors is an integer number (612101050).

Almost surely, 2^1224202099 is an apocalyptic number.

1224202099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224202099 is an equidigital number, since it uses as much as digits as its factorization.

1224202099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1224202099 is about 34988.5995575702. The cubic root of 1224202099 is about 1069.7551187939.

The spelling of 1224202099 in words is "one billion, two hundred twenty-four million, two hundred two thousand, ninety-nine".