11324440212 has 24 divisors (see below), whose sum is σ = 26466537216. Its totient is φ = 3768692928.

The previous prime is 11324440157. The next prime is 11324440229. The reversal of 11324440212 is 21204442311.

It is a super-2 number, since 2×11324440212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757348 + ... + 772155.

It is an arithmetic number, because the mean of its divisors is an integer number (1102772384).

Almost surely, 2^11324440212 is an apocalyptic number.

11324440212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11324440212 is an abundant number, since it is smaller than the sum of its proper divisors (15142097004).

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

11324440212 is a wasteful number, since it uses less digits than its factorization.

11324440212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530127 (or 1530125 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 11324440212 its reverse (21204442311), we get a palindrome (32528882523).

The spelling of 11324440212 in words is "eleven billion, three hundred twenty-four million, four hundred forty thousand, two hundred twelve".