12001111122202 has 4 divisors (see below), whose sum is σ = 18001666683306. Its totient is φ = 6000555561100.

The previous prime is 12001111122191. The next prime is 12001111122233. The reversal of 12001111122202 is 20222111110021.

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., 7198215336601 + 4802895785601 = 2682949^2 + 2191551^2 .

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, 3000277780549 + ... + 3000277780552.

Almost surely, 2^{12001111122202} is an apocalyptic number.

12001111122202 is a deficient number, since it is larger than the sum of its proper divisors (6000555561104).

12001111122202 is an equidigital number, since it uses as much as digits as its factorization.

12001111122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000555561103.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12001111122202 its reverse (20222111110021), we get a palindrome (32223222232223).

The spelling of 12001111122202 in words is "twelve trillion, one billion, one hundred eleven million, one hundred twenty-two thousand, two hundred two".