12012202222 has 8 divisors (see below), whose sum is σ = 18457774272. Its totient is φ = 5859610800.

The previous prime is 12012202151. The next prime is 12012202273. The reversal of 12012202222 is 22220221021.

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 = 12012202196 and 12012202205.

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, 73245054 + ... + 73245217.

It is an arithmetic number, because the mean of its divisors is an integer number (2307221784).

Almost surely, 2^12012202222 is an apocalyptic number.

12012202222 is a deficient number, since it is larger than the sum of its proper divisors (6445572050).

12012202222 is a wasteful number, since it uses less digits than its factorization.

12012202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146490314.

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

Adding to 12012202222 its reverse (22220221021), we get a palindrome (34232423243).

The spelling of 12012202222 in words is "twelve billion, twelve million, two hundred two thousand, two hundred twenty-two".