11332231212 has 48 divisors (see below), whose sum is σ = 28380838752. Its totient is φ = 3506503680.

The previous prime is 11332231189. The next prime is 11332231213. The reversal of 11332231212 is 21213223311.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11332231213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365589 + ... + 395372.

It is an arithmetic number, because the mean of its divisors is an integer number (591267474).

Almost surely, 2^11332231212 is an apocalyptic number.

11332231212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11332231212 is an abundant number, since it is smaller than the sum of its proper divisors (17048607540).

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

11332231212 is a wasteful number, since it uses less digits than its factorization.

11332231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761058 (or 761056 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 11332231212 its reverse (21213223311), we get a palindrome (32545454523).

The spelling of 11332231212 in words is "eleven billion, three hundred thirty-two million, two hundred thirty-one thousand, two hundred twelve".