12224213502 has 32 divisors (see below), whose sum is σ = 25975728000. Its totient is φ = 3824196768.

The previous prime is 12224213479. The next prime is 12224213531. The reversal of 12224213502 is 20531242221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488877 + ... + 513272.

It is an arithmetic number, because the mean of its divisors is an integer number (811741500).

Almost surely, 2^12224213502 is an apocalyptic number.

12224213502 is an abundant number, since it is smaller than the sum of its proper divisors (13751514498).

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

12224213502 is a wasteful number, since it uses less digits than its factorization.

12224213502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002280.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 12224213502 its reverse (20531242221), we get a palindrome (32755455723).

The spelling of 12224213502 in words is "twelve billion, two hundred twenty-four million, two hundred thirteen thousand, five hundred two".