12211003224 has 48 divisors (see below), whose sum is σ = 37795963920. Its totient is φ = 3488857920.

The previous prime is 12211003169. The next prime is 12211003237. The reversal of 12211003224 is 42230011221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12211003197 and 12211003206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12113587 + ... + 12114594.

It is an arithmetic number, because the mean of its divisors is an integer number (787415915).

Almost surely, 2^12211003224 is an apocalyptic number.

12211003224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12211003224 is an abundant number, since it is smaller than the sum of its proper divisors (25584960696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12211003224 is a wasteful number, since it uses less digits than its factorization.

12211003224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24228200 (or 24228193 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12211003224 its reverse (42230011221), we get a palindrome (54441014445).

The spelling of 12211003224 in words is "twelve billion, two hundred eleven million, three thousand, two hundred twenty-four".