11011233212 has 12 divisors (see below), whose sum is σ = 22022466480. Its totient is φ = 4719099936.

The previous prime is 11011233209. The next prime is 11011233223. The reversal of 11011233212 is 21233211011.

11011233212 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196629137 + ... + 196629192.

It is an arithmetic number, because the mean of its divisors is an integer number (1835205540).

Almost surely, 2^11011233212 is an apocalyptic number.

It is an amenable number.

11011233212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11011233212 is a wasteful number, since it uses less digits than its factorization.

11011233212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393258340 (or 393258338 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11011233212 its reverse (21233211011), we get a palindrome (32244444223).

The spelling of 11011233212 in words is "eleven billion, eleven million, two hundred thirty-three thousand, two hundred twelve".