12011202212222 has 4 divisors (see below), whose sum is σ = 18016803318336. Its totient is φ = 6005601106110.

The previous prime is 12011202212201. The next prime is 12011202212327. The reversal of 12011202212222 is 22221220211021.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 12011202212194 and 12011202212203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3002800553054 + ... + 3002800553057.

It is an arithmetic number, because the mean of its divisors is an integer number (4504200829584).

Almost surely, 2^{12011202212222} is an apocalyptic number.

12011202212222 is a deficient number, since it is larger than the sum of its proper divisors (6005601106114).

12011202212222 is an equidigital number, since it uses as much as digits as its factorization.

12011202212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6005601106113.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12011202212222 its reverse (22221220211021), we get a palindrome (34232422423243).

The spelling of 12011202212222 in words is "twelve trillion, eleven billion, two hundred two million, two hundred twelve thousand, two hundred twenty-two".