11223212012 has 12 divisors (see below), whose sum is σ = 19641742176. Its totient is φ = 5611285680.

The previous prime is 11223212003. The next prime is 11223212017. The reversal of 11223212012 is 21021232211.

It is not an unprimeable number, because it can be changed into a prime (11223212017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10013 + ... + 150155.

It is an arithmetic number, because the mean of its divisors is an integer number (1636811848).

Almost surely, 2^11223212012 is an apocalyptic number.

It is an amenable number.

11223212012 is a deficient number, since it is larger than the sum of its proper divisors (8418530164).

11223212012 is a wasteful number, since it uses less digits than its factorization.

11223212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160168 (or 160166 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11223212012 its reverse (21021232211), we get a palindrome (32244444223).

The spelling of 11223212012 in words is "eleven billion, two hundred twenty-three million, two hundred twelve thousand, twelve".