12012022222 has 8 divisors (see below), whose sum is σ = 18437057496. Its totient is φ = 5866336392.

The previous prime is 12012022219. The next prime is 12012022247. The reversal of 12012022222 is 22222021021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12012022196 and 12012022205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69837253 + ... + 69837424.

It is an arithmetic number, because the mean of its divisors is an integer number (2304632187).

Almost surely, 2^12012022222 is an apocalyptic number.

12012022222 is a deficient number, since it is larger than the sum of its proper divisors (6425035274).

12012022222 is a wasteful number, since it uses less digits than its factorization.

12012022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139674722.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12012022222 its reverse (22222021021), we get a palindrome (34234043243).

The spelling of 12012022222 in words is "twelve billion, twelve million, twenty-two thousand, two hundred twenty-two".