11240013212 has 12 divisors (see below), whose sum is σ = 19671449280. Its totient is φ = 5619599136.

The previous prime is 11240013203. The next prime is 11240013223. The reversal of 11240013212 is 21231004211.

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, 34913 + ... + 153944.

It is an arithmetic number, because the mean of its divisors is an integer number (1639287440).

Almost surely, 2^11240013212 is an apocalyptic number.

It is an amenable number.

11240013212 is a deficient number, since it is larger than the sum of its proper divisors (8431436068).

11240013212 is a wasteful number, since it uses less digits than its factorization.

11240013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203740 (or 203738 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11240013212 its reverse (21231004211), we get a palindrome (32471017423).

Subtracting 11240013212 from its reverse (21231004211), we obtain a palindrome (9990990999).

The spelling of 11240013212 in words is "eleven billion, two hundred forty million, thirteen thousand, two hundred twelve".