12224304212 has 24 divisors (see below), whose sum is σ = 21670454400. Its totient is φ = 6032797056.

The previous prime is 12224304203. The next prime is 12224304233. The reversal of 12224304212 is 21240342221.

It is a super-2 number, since 2×12224304212² (a number of 21 digits) contains 22 as substring.

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, 1578983 + ... + 1586705.

It is an arithmetic number, because the mean of its divisors is an integer number (902935600).

Almost surely, 2^12224304212 is an apocalyptic number.

It is an amenable number.

12224304212 is a deficient number, since it is larger than the sum of its proper divisors (9446150188).

12224304212 is a wasteful number, since it uses less digits than its factorization.

12224304212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12815 (or 12813 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12224304212 its reverse (21240342221), we get a palindrome (33464646433).

The spelling of 12224304212 in words is "twelve billion, two hundred twenty-four million, three hundred four thousand, two hundred twelve".