11223444333212 has 24 divisors (see below), whose sum is σ = 20796538467600. Its totient is φ = 5281581162240.

The previous prime is 11223444333209. The next prime is 11223444333223. The reversal of 11223444333212 is 21233344432211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9760787 + ... + 10849877.

It is an arithmetic number, because the mean of its divisors is an integer number (866522436150).

Almost surely, 2^{11223444333212} is an apocalyptic number.

It is an amenable number.

11223444333212 is a deficient number, since it is larger than the sum of its proper divisors (9573094134388).

11223444333212 is a wasteful number, since it uses less digits than its factorization.

11223444333212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240661 (or 1240659 counting only the distinct ones).

The product of its digits is 82944, while the sum is 35.

Adding to 11223444333212 its reverse (21233344432211), we get a palindrome (32456788765423).

The spelling of 11223444333212 in words is "eleven trillion, two hundred twenty-three billion, four hundred forty-four million, three hundred thirty-three thousand, two hundred twelve".