12225214002 has 16 divisors (see below), whose sum is σ = 25239151872. Its totient is φ = 3943617360.

The previous prime is 12225213977. The next prime is 12225214007. The reversal of 12225214002 is 20041252221.

It is a self number, because there is not a number n which added to its sum of digits gives 12225214002.

It is not an unprimeable number, because it can be changed into a prime (12225214007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32863293 + ... + 32863664.

It is an arithmetic number, because the mean of its divisors is an integer number (1577446992).

Almost surely, 2^12225214002 is an apocalyptic number.

12225214002 is an abundant number, since it is smaller than the sum of its proper divisors (13013937870).

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

12225214002 is a wasteful number, since it uses less digits than its factorization.

12225214002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65726993.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 12225214002 its reverse (20041252221), we get a palindrome (32266466223).

The spelling of 12225214002 in words is "twelve billion, two hundred twenty-five million, two hundred fourteen thousand, two".