11212033212 has 18 divisors (see below), whose sum is σ = 28341528488. Its totient is φ = 3737344392.

The previous prime is 11212033207. The next prime is 11212033213. The reversal of 11212033212 is 21233021211.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212033213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155722648 + ... + 155722719.

Almost surely, 2^11212033212 is an apocalyptic number.

11212033212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11212033212 is an abundant number, since it is smaller than the sum of its proper divisors (17129495276).

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

11212033212 is a wasteful number, since it uses less digits than its factorization.

11212033212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311445377 (or 311445372 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11212033212 its reverse (21233021211), we get a palindrome (32445054423).

The spelling of 11212033212 in words is "eleven billion, two hundred twelve million, thirty-three thousand, two hundred twelve".