11212444444 has 12 divisors (see below), whose sum is σ = 19626040000. Its totient is φ = 5605004448.

The previous prime is 11212444423. The next prime is 11212444447. The reversal of 11212444444 is 44444421211.

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

11212444444 is a modest number, since divided by 444444 gives 11212 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212444447) 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, 283569 + ... + 320680.

Almost surely, 2^11212444444 is an apocalyptic number.

It is an amenable number.

11212444444 is a deficient number, since it is larger than the sum of its proper divisors (8413595556).

11212444444 is a wasteful number, since it uses less digits than its factorization.

11212444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608892 (or 608890 counting only the distinct ones).

The product of its digits is 16384, while the sum is 31.

Adding to 11212444444 its reverse (44444421211), we get a palindrome (55656865655).

The spelling of 11212444444 in words is "eleven billion, two hundred twelve million, four hundred forty-four thousand, four hundred forty-four".