12012222012202 has 4 divisors (see below), whose sum is σ = 18018333018306. Its totient is φ = 6006111006100.

The previous prime is 12012222012157. The next prime is 12012222012239. The reversal of 12012222012202 is 20221022221021.

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

It can be written as a sum of positive squares in only one way, i.e., 10376767247401 + 1635454764801 = 3221299^2 + 1278849^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12012222012202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3003055503049 + ... + 3003055503052.

Almost surely, 2^{12012222012202} is an apocalyptic number.

12012222012202 is a deficient number, since it is larger than the sum of its proper divisors (6006111006104).

12012222012202 is an equidigital number, since it uses as much as digits as its factorization.

12012222012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006111006103.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12012222012202 its reverse (20221022221021), we get a palindrome (32233244233223).

The spelling of 12012222012202 in words is "twelve trillion, twelve billion, two hundred twenty-two million, twelve thousand, two hundred two".