1224320011 has 16 divisors (see below), whose sum is σ = 1267117984. Its totient is φ = 1182449664.

The previous prime is 1224319997. The next prime is 1224320017. The reversal of 1224320011 is 1100234221.

It is a cyclic number.

It is not a de Polignac number, because 1224320011 - 2¹⁷ = 1224188939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224320017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 943315 + ... + 944611.

It is an arithmetic number, because the mean of its divisors is an integer number (79194874).

Almost surely, 2^1224320011 is an apocalyptic number.

1224320011 is a deficient number, since it is larger than the sum of its proper divisors (42797973).

1224320011 is a wasteful number, since it uses less digits than its factorization.

1224320011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1224320011 is about 34990.2845229930. The cubic root of 1224320011 is about 1069.7894630458.

Adding to 1224320011 its reverse (1100234221), we get a palindrome (2324554232).

The spelling of 1224320011 in words is "one billion, two hundred twenty-four million, three hundred twenty thousand, eleven".