11023212 has 24 divisors (see below), whose sum is σ = 25801216. Its totient is φ = 3662928.

The previous prime is 11023193. The next prime is 11023223. The reversal of 11023212 is 21232011.

It is a super-2 number, since 2×11023212² = 243022405593888, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3153 + ... + 5655.

Almost surely, 2^11023212 is an apocalyptic number.

11023212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11023212 is an abundant number, since it is smaller than the sum of its proper divisors (14778004).

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

11023212 is a wasteful number, since it uses less digits than its factorization.

11023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877 (or 2875 counting only the distinct ones).

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

The square root of 11023212 is about 3320.1222869045. The cubic root of 11023212 is about 222.5543325631.

Adding to 11023212 its reverse (21232011), we get a palindrome (32255223).

The spelling of 11023212 in words is "eleven million, twenty-three thousand, two hundred twelve".