11223012 has 24 divisors (see below), whose sum is σ = 26826912. Its totient is φ = 3649600.

The previous prime is 11223007. The next prime is 11223031. The reversal of 11223012 is 21032211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10914 + ... + 11897.

It is an arithmetic number, because the mean of its divisors is an integer number (1117788).

Almost surely, 2^11223012 is an apocalyptic number.

11223012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11223012 is an abundant number, since it is smaller than the sum of its proper divisors (15603900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11223012 is a wasteful number, since it uses less digits than its factorization.

11223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22859 (or 22857 counting only the distinct ones).

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

The square root of 11223012 is about 3350.0764170389. The cubic root of 11223012 is about 223.8909173386.

Adding to 11223012 its reverse (21032211), we get a palindrome (32255223).

The spelling of 11223012 in words is "eleven million, two hundred twenty-three thousand, twelve".