11111224412 has 24 divisors (see below), whose sum is σ = 20750575104. Its totient is φ = 5187635712.

The previous prime is 11111224337. The next prime is 11111224427. The reversal of 11111224412 is 21442211111.

11111224412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634673 + ... + 651944.

It is an arithmetic number, because the mean of its divisors is an integer number (864607296).

Almost surely, 2^11111224412 is an apocalyptic number.

It is an amenable number.

11111224412 is a deficient number, since it is larger than the sum of its proper divisors (9639350692).

11111224412 is a wasteful number, since it uses less digits than its factorization.

11111224412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286765 (or 1286763 counting only the distinct ones).

The product of its digits is 128, while the sum is 20.

Adding to 11111224412 its reverse (21442211111), we get a palindrome (32553435523).

The spelling of 11111224412 in words is "eleven billion, one hundred eleven million, two hundred twenty-four thousand, four hundred twelve".