1223200011 has 12 divisors (see below), whose sum is σ = 1792679336. Its totient is φ = 741333120.

The previous prime is 1223199959. The next prime is 1223200021. The reversal of 1223200011 is 1100023221.

It is a de Polignac number, because none of the positive numbers 2^k-1223200011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1223200011.

It is not an unprimeable number, because it can be changed into a prime (1223200021) 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 in 11 ways as a sum of consecutive naturals, for example, 1684486 + ... + 1685211.

Almost surely, 2^1223200011 is an apocalyptic number.

1223200011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1223200011 is a deficient number, since it is larger than the sum of its proper divisors (569479325).

1223200011 is a wasteful number, since it uses less digits than its factorization.

1223200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369722 (or 3369711 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1223200011 is about 34974.2764185337. The cubic root of 1223200011 is about 1069.4631513704.

Adding to 1223200011 its reverse (1100023221), we get a palindrome (2323223232).

The spelling of 1223200011 in words is "one billion, two hundred twenty-three million, two hundred thousand, eleven".