11144304212 has 12 divisors (see below), whose sum is σ = 19633422900. Its totient is φ = 5534754816.

The previous prime is 11144304187. The next prime is 11144304217. The reversal of 11144304212 is 21240344111.

It can be written as a sum of positive squares in 2 ways, for example, as 7384652356 + 3759651856 = 85934^2 + 61316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144304217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9348653 + ... + 9349844.

It is an arithmetic number, because the mean of its divisors is an integer number (1636118575).

Almost surely, 2^11144304212 is an apocalyptic number.

It is an amenable number.

11144304212 is a deficient number, since it is larger than the sum of its proper divisors (8489118688).

11144304212 is a wasteful number, since it uses less digits than its factorization.

11144304212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18698650 (or 18698648 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11144304212 its reverse (21240344111), we get a palindrome (32384648323).

The spelling of 11144304212 in words is "eleven billion, one hundred forty-four million, three hundred four thousand, two hundred twelve".