11232212212 has 48 divisors (see below), whose sum is σ = 21675693312. Its totient is φ = 5061288960.

The previous prime is 11232212209. The next prime is 11232212213. The reversal of 11232212212 is 21221223211.

It is a self number, because there is not a number n which added to its sum of digits gives 11232212212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11232212213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365508 + ... + 395044.

It is an arithmetic number, because the mean of its divisors is an integer number (451576944).

Almost surely, 2^11232212212 is an apocalyptic number.

It is an amenable number.

11232212212 is a deficient number, since it is larger than the sum of its proper divisors (10443481100).

11232212212 is a wasteful number, since it uses less digits than its factorization.

11232212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29728 (or 29726 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

Adding to 11232212212 its reverse (21221223211), we get a palindrome (32453435423).

The spelling of 11232212212 in words is "eleven billion, two hundred thirty-two million, two hundred twelve thousand, two hundred twelve".