12012223322 has 16 divisors (see below), whose sum is σ = 19712700000. Its totient is φ = 5444453040.

The previous prime is 12012223277. The next prime is 12012223357. The reversal of 12012223322 is 22332221021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12012223294 and 12012223303.

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, 774572 + ... + 789927.

It is an arithmetic number, because the mean of its divisors is an integer number (1232043750).

Almost surely, 2^12012223322 is an apocalyptic number.

12012223322 is a deficient number, since it is larger than the sum of its proper divisors (7700476678).

12012223322 is a wasteful number, since it uses less digits than its factorization.

12012223322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564861.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12012223322 its reverse (22332221021), we get a palindrome (34344444343).

The spelling of 12012223322 in words is "twelve billion, twelve million, two hundred twenty-three thousand, three hundred twenty-two".